View source for Glossary of architecture

{{Short description|none}}
This page is a '''glossary of [[architecture]]'''.
{{Compact ToC|top=yes|x=|y=|seealso=yes|notesfirst=yes|refs=yes}}

==A==
{{glossary}}
{{term|1= Abacus |content= [[Abacus (architecture)|Abacus]] }}
{{defn|1= A flat slab forming the uppermost member or division of the capital of a column. }}

{{term|1= Accolade |content= [[Accolade (architecture)|Accolade]] }}
{{defn|1= A sculptural embellishment of an arch. }}

{{term|1=Aisle  |content= [[Aisle]] }}
{{defn|1=The subsidiary space alongside the body of a building, separated from it by columns, piers, or posts. }}

{{term|1=Ante-choir  |content= [[Ante-choir]] }}
{{defn|1=The space enclosed in a church between the outer gate or railing of the [[rood screen]] and the door of the screen.}}

{{term|1= Apron |content= [[Apron (architecture)|Apron]]  }}
{{defn|no=1 |1= A raised panel below a window or wall monument or tablet.}}
{{defn|no=2 |1= An open portion of a marine terminal immediately adjacent to a vessel berth, used in the direct transfer of cargo between the vessel and the terminal.}}
{{defn|no=3 |1= A [[concrete]] slab immediately outside a vehicular door or passageway used to limit the wear on asphalt paving due to repetitive turning movements or heavy loads.}}

{{term|1= Apse |content= [[Apse]] }}
{{defn|1= A vaulted semicircular or polygonal end of a chancel or chapel.  That portion of a church, usually Christian, beyond the "crossing" and opposite the nave.  In some churches, the choir is seated in this space. }}

{{term|1= Araeostyle |content= [[Intercolumniation|Araeostyle]] }}
{{defn|1=A style of [[intercolumniation]] in which the distance between [[column|columns]] is at least four diameters. The large interval between columns necessitates the use of a wooden [[architrave]]. }}

{{term|1= Araeosystyle |content= [[Araeosystyle]] }}
{{defn|1=An architectural term applied to a [[colonnade]], in which the [[intercolumniation]] is alternately wide and narrow.}}

{{term|1= Arcade |content= [[Arcade (architecture)|Arcade]] }}
{{defn|1= A passage or walkway covered over by a succession of [[arch]]es or [[Vault (architecture)|vault]]s supported by [[column]]s.  Blind arcade or arcading: the same applied to the wall surface.}}

{{term|1= Arch |content= [[Arch]] }}
{{defn|1= A curved structure capable of [[Span (architecture)|spanning]] a space while supporting significant weight. }}

{{term|1= Architrave |content= [[Architrave]] }}
{{defn|1= A formalized lintel, the lowest member of the classical entablature. Also the moulded frame of a door or window (often borrowing the profile of a classical architrave). }}

{{term|1= Area |content= Area or basement area  }}
{{defn|1= In [[Georgian architecture]], the small paved yard giving entry, via "area steps", to the basement floor at the front of a terraced house.}}

{{term|1= Arris |content= [[Arris]] }}
{{defn|1= A sharp edge created when two surfaces converge; this includes the raised edge between two [[Fluting (architecture)|flutes]] on a [[column]] or [[pilaster]], if that edge is sharp. }}

{{term|1= Arris Rail |content= [[Arris|Arris Rail]] }}
{{defn|1= A type of rail, often wooden, with a cross-section resembling an [[isosceles triangle]].<ref>[[mwod:arris rail|"Arris rail"]]. ''Merriam-Webster Dictionary.'' Retrieved 2022-11-12.</ref> }}

{{term|1= Arrowslit |content= [[Arrowslit]] }}
{{defn|1= A thin vertical aperture in a fortification through which an archer can launch arrows. }}

{{term|1= Articulation |content= [[Articulation (architecture)|Articulation]] }}
{{defn|1= The manner or method of jointing parts such that each part is clear and distinct in relation to the others, even though joined. }}

{{term|1= Ashlar |content= [[Ashlar]] }}
{{defn|1= Masonry of large blocks cut with even faces and square edges. }}

{{term|1= Astragal |content= [[Astragal]] }}
{{defn|1= A moulding profile composed of a half-round surface surrounded by two flat planes ([[Annulet (architecture)|fillets]]).}}

{{term|1= Atlas |content= [[Atlas (architecture)|Atlas]]}}
{{defn|1= A support sculpted in the form of a man, which may take the place of a column, a pier or a pilaster. }}

{{term|1= Atrium |content= [[Atrium (architecture)|Atrium]] }}
{{defn|1= (plural: atria) The inner court of a Roman house; in a multi-story building, a toplit covered court rising through all stories. }}

{{term|1= Attic |content= [[Attic]] }}
{{defn|1= A small top story within a roof above the uppermost ceiling. The story above the main [[entablature]] of a classical [[façade]].}}
{{glossary end}}

==B==
{{glossary}}

{{term|1= Balconet |content= [[Balconet]] }}
{{defn|1= A false balcony, or railing at the outer plane of a window. }}

{{term|1= Ball flower |content= [[Ball flower]] }}
{{defn|1= An architectural ornament in the form of a ball inserted in the cup of a flower, which came into use in the latter part of the 13th, and was in great vogue in the early part of the 14th century. }}

[[File:Orna138-Docken-Baluster.png|right|thumb|A page of fanciful balusters]]
{{term|1= Baluster |content= [[Baluster]]}}
{{defn|1= A small moulded shaft, square or circular, in stone or wood, sometimes metal, supporting the coping of a parapet or the handrail of a staircase. A series of balusters supporting a [[handrail]] or [[Coping (architecture)|coping]] is called a balustrade. }}

{{term|1= Bar-stayed girder |content= [[Bar-stayed girder]]}}
{{defn|1= A structural member of inadequate capacity for its load or span that is augmented by one or two steel bars anchored to each bearing end at or above the centroid of the girder to assume the tension forces.  The bar(s) runs down and below the girder and stand off the girder on one or more struts anchored to the girder at its bottom surface.  The struts are sized to accept the compressive forces imposed without bending. The load limit to this member is the crippling capacity (horizontal failure) of the girder. }}

{{term|1= Bargeboard |content= [[Bargeboard]]}}
{{defn|1= A board fastened to the projecting gables of a roof.}}

{{term|1= Barrel vault |content= [[Barrel vault]] }}
{{defn|1= An architectural element formed by the extrusion of a single curve (or pair of curves, in the case of a pointed barrel vault) along a given distance. }}

{{term|1= Bartizan |content= [[Bartizan]] }}
{{defn|1= An overhanging, wall-mounted turret projecting from the walls, usually at the corners, of medieval fortifications or churches. }}

{{term|1= Basement |content= [[Basement]] }}
{{defn|1= Usually the lowest, subordinate storey of building, generally either entirely or partially below ground level; the lowest part of classical elevation, below the [[piano nobile]]. }}

{{term|1= Basilica |content= [[Basilica]] }}
{{defn|1= Originally a Roman, large roofed hall erected for transacting business and disposing of legal matters; later the term came to describe an aisled building with a clerestory. Medieval cathedral plans were a development of the basilica plan type. }}

{{term|1= Batement Lights}}
{{defn|1= The lights in the upper part of a perpendicular window, abated, or only half the width of those below.<ref>{{EB1911|inline=1|wstitle=Batement Lights|volume=3|page=509}}</ref> }}

{{term|1= Batter |content= [[Batter (walls)]]}}
{{defn|1= An upwardly receding slope of a wall or column. }}

{{term|1= Battlement |content= [[Battlement]] }}
{{defn|1= A parapet (i.e., a defensive low wall between chest-height and head-height), in which rectangular gaps or indentations occur at intervals to allow for the discharge of arrows or other missiles. }}

{{term|1= Bay |content= [[Bay (architecture)|Bay]]s }}
{{defn|1= The internal compartments of a building, each divided from the other by subtle means such as the boundaries implied by divisions marked in the side walls (columns, pilasters, etc.) or the ceiling (beams, etc.). Also, the external divisions of a building by fenestration (windows). }}

{{term|1= Bay window |content= [[Bay window]] }}
{{defn|1= A window of one or more storeys projecting from the face of a building. [[Cant (architecture)|Canted]]: with a straight front and angled sides. [[Bow window]]: curved. [[Oriel window|Oriel]]: rests on corbels or brackets and starts above ground level; also the bay window at the dais end of a medieval [[great hall]]. }}

{{term|1= Belfry |content= [[Bell tower|Belfry]] {{anchor|Belfry|Bell tower }}}}
{{defn|1= A chamber or stage in a tower where bells are hung. The term is also used to describe the manner in which bricks are laid in a wall so that they interlock. }}

{{term|1= Bench table |content= [[Bench table]] }}
{{defn|1= A stone seat which runs round the walls of large churches, and sometimes round the piers; it very generally is placed in the porches.}}

{{term|1= Bond |content= [[brickwork|Bond]] }}
{{defn|1= Brickwork with overlapping bricks. Types of bond include stretcher, English, header, Flemish, garden wall, herringbone, basket, American, and Chinese. }}

{{term|1= Boss |content= [[Boss (architecture)|Boss]] }}
{{defn|no=1|1= A roughly cut stone set in place for later carving.}}
{{defn|no=2|1= An ornamental projection, a carved [[Keystone (architecture)|keystone]] of a [[ribbed vault]] at the intersection of the [[ogive]]s. }}

{{term|1= Bossage |content= [[Bossage]] }}
{{defn|1= Uncut stone that is laid in place in a building, projecting outward from the building, to later be carved into decorative mouldings, capitals, arms, etc. Bossages are also [[wiktionary:Rustic|rustic]] work, consisting of stones which seem to advance beyond the surface of the building, by reason of indentures, or channels left in the joinings; used chiefly in the corners of buildings, and called rustic [[Quoin (architecture)|quoin]]s. The cavity or indenture may be round, square, chamfered, beveled, diamond-shaped, or enclosed with a [[cavetto]] or [[listel]].<ref name=Cyclopaedia-1728>{{Cite Cyclopaedia 1728|title=Bossage|url=https://archive.org/stream/Cyclopediachambers-Volume1/cyclo1#page/n269/mode/2up/search/bossage|volume=1|page=269}}</ref> }}

{{term|1= Boutant |content= [[Boutant]] }}
{{defn|1= A type of support. An [[arc-boutant]], or flying buttress, serves to sustain a vault, and is self-sustained by some strong wall or massive work. A pillar boutant is a large chain or jamb of stone, made to support a wall, terrace, or vault. The word is French, and comes from the verb ''bouter'', "to butt" or "abut".<ref>{{Cite Cyclopaedia 1728|title=Boutant|url=https://archive.org/stream/Cyclopediachambers-Volume1/cyclo1#page/n269/mode/2up/search/bossage|volume=1|page=269}}</ref> }}

{{term|1= Bracket |content= [[Bracket (architecture)|Bracket]] (see also [[corbel]]) }}
{{defn|1= A weight-bearing member made of wood, stone, or metal that overhangs a wall. }}

{{term|1= Bressummer |content= [[Bressummer]] }}
{{defn|1= (literally "breast- beam") A large, horizontal beam supporting the wall above, especially in a jettied building. }}

{{term|1= Brise soleil |content= [[Brise soleil]] }}
{{defn|1= Projecting fins or canopies which shade windows from direct sunlight. }}

{{term|1= Broken pediment|content= [[Pediment|Broken pediment]]}}
{{defn|1= A style of [[pediment]] in which the center is left open (and often ornamented) by stopping the sloping sides short of the pediment's [[Apex (geometry)|apex]]. A variant of this in which the sides are curved to resemble esses is called a swan's neck pediment. }}

{{term|1= Bullseye window }}
{{defn|1= Either a [[Oeil-de-Boeuf|small oval window]], or an [[Crown glass (window)|early type of window glass]].}}

{{term|1= Bulwark |content= [[Bulwark (disambiguation)|Bulwark]]}}
{{defn|1= A [[Barricade]] of [[beam (structure)|beams]] and [[soil]] used in 15th- and 16th-century [[fortification]]s designed to mount [[artillery]]. On board [[ship]]s the term refers to the [[woodwork]] running round the ship above the level of the [[deck (ship)|deck]]. Figuratively it means anything serving as a defence. Dutch loanword; Bolwerk }}

{{term|1= Buttress |content= [[Buttress]] }}
{{defn|1= A vertical member projecting from a wall to stabilize it or to resist the lateral thrust of an arch, roof, or vault. A [[flying buttress]] transmits the thrust to a heavy abutment by means of an [[arch]] or half-arch. }}
{{glossary end}}

==C==
{{glossary}}
{{term|1= Cancellus |content= [[Cancellus]]}}
{{defn|1= (plural: Cancelli) Barriers which correspond to the modern balustrade or railing, especially the screen dividing the body of a church from the part occupied by the ministers hence chancel. The Romans employed cancelli to partition off portions of the courts of law.<ref>{{cite EB1911|short=1|wstitle=Cancelli |volume=5}}</ref> }}

{{term|1= Cant |content= [[Cant (architecture)|Cant]] }}
{{defn|1= An angled (oblique) line or surface, especially one that cuts off a corner. }}

{{term|1= Cantilever |content= [[Cantilever]] }}
{{defn|1= An unsupported overhang acting as a lever, like a flagpole sticking out of the side of a wall. }}

{{term|1= Capital |content= [[Capital (architecture)|Capital]] }}
{{defn|1= The topmost member of a column (or pilaster). }}

[[image:Porch of Maidens.jpg|thumb|right|The Caryatid Porch of the [[Erechtheion]], [[Athens]], 421–407 BC]]
{{term|1= Caryatid |content=[[Caryatid]] }}
{{defn|1= A sculpted female figure serving as an architectural support taking the place of a column or a pillar supporting an entablature on her head.}}

{{term|1= Casement window |content= [[Casement window]] }}
{{defn|1= A window hung vertically, hinged one side, so that it swings inward or outward. }}

{{term|1= Cauliculus |content= Cauliculus, or caulicole {{anchor|cauliculus|caulicole}}}}
{{defn|1= Stalks (eight in number) with two leaves from which rise the helices or spiral scrolls of the [[Corinthian capital]] to support the [[abacus]].<ref>{{cite EB1911|wstitle=Cauliculus|short=1|volume=5|page=557}}</ref>}}

{{term|1= Cavetto |content= [[Cavetto]] }}
{{defn|1= A [[Molding (decorative)|moulding]] in which the negative space makes a quarter-circle.<ref>Parker, John Henry (1994). "Cavetto". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. p.&nbsp;62. {{isbn|1-85958-069-6}}.</ref> }}

{{term|1= Cella |content= [[Cella]] }}
{{defn|1= The inner chamber of a temple in classical architecture. }}

{{term|1= Chalcidicum }}
{{defn|1= In Roman architecture, the vestibule or portico of a public building opening on to the forum, as in the basilica of Eumachia at Pompeii, and the basilica of Constantine at Rome, where it was placed at one end. See: Lacunar.<ref>{{cite EB1911|short=1|wstitle=Chalcidicum|volume=5|page=804}}</ref> }}

{{term|1= Chamfer |content= [[Chamfer]]}}
{{defn|1= A transitional edge, often 45 degrees, formed by paring down an [[arris]] diagonally.<ref>Fletcher, Banister (1975). "Chamfer". ''Sir Banister Fletcher's [[A History of Architecture]]'' (18th&nbsp;ed.). New York City: Charles Scribner's Sons. p.&nbsp;1315. {{isbn|0-684-14207-4}}.</ref> Some buildings may be chamfered such that the base is octagonal.}}

{{term|1= Chancel |content= [[Chancel]] (also Presbytery) {{anchor|chancel|presbytery}}}}
{{defn|1= In church architecture, the space around the altar at the east end of a traditional Christian church building, including the choir and sanctuary.}}

{{term|1= Chandrashala |content= [[Chandrashala]] }}
{{defn|1= The circular or horseshoe arch that decorates many Indian cave temples and shrines. }}

{{term|1= Chigi |content= [[Chigi (architecture)|Chigi]] }}
{{defn|1= In [[Japanese architecture]], a V-shaped [[finial]] used almost exclusively on [[Shinto shrine|Shinto shrines]], where they are placed near the ends of the ridgeline(s) of the roof through extension of or attachment to the [[gable]]. In most cases, the direction of the cut at the top of a chigi indicates the sex of the [[kami]] within.}}

{{term|1= Chimera |content= [[Chimera (architecture)|Chimera]] }}
{{defn|1= A fantastic, mythical or grotesque figure used for decorative purposes. }}

{{term|1= Chimney |content= [[Chimney]] }}
{{defn|1= A structure which provides ventilation. }}

{{term|1= Chresmographion}}
{{defn|1= A chamber between the pronaos and the [[cella]] in Greek temples where oracles were delivered.<ref>{{cite EB1911|short=1|wstitle=Chresmographion|volume=6|page=273}}</ref> }}

{{term|1= Cincture }}
{{defn|1= A ring, list, or [[Annulet (architecture)|fillet]] at the top and bottom of a column, which divides the shaft from the capital and base.<ref>{{Cite Cyclopaedia 1728|title=Cincture|url=https://archive.org/stream/Cyclopediachambers-Volume1/cyclo1#page/n371/mode/2up/search/cincture|volume=1|page=371}}</ref> }}

{{term|1= Cinquecento |content= [[Cinquecento]] }}
{{defn|1= A style which became prevalent in Italy in the century following 1500, now usually called 16th-century work. It was the result of the revival of classic architecture known as Renaissance, but the change had commenced already a century earlier, in the works of [[Lorenzo Ghiberti|Ghiberti]] and [[Donatello]] in sculpture, and of [[Filippo Brunelleschi|Brunelleschi]] and [[Leone Battista Alberti|Alberti]] in architecture.<ref>{{cite EB1911|short=1|wstitle=Cinque Cento|volume=6|page=377}}</ref> }}

{{term|1= Cippus |content= [[Cippus]] }}
{{defn|1= (plural: cippi) A low, round or rectangular pedestal set up by the Romans for military purposes such as a milestone or a boundary post. The inscriptions on some cippi in the British Museum show that they were occasionally used as funeral memorials.<ref>{{cite EB1911|short=1|wstitle=Cippus|volume=6|page=379}}</ref> }}

{{term|1= Circulation |content= [[Circulation (architecture)|Circulation]] }}
{{defn|1= Describes the flow of people throughout a building. }}

{{term|1= Cleithral }}
{{defn|1= A covered Greek temple, in contradistinction to [[hypaethral]], which designates one that is uncovered; the roof of a cleithral temple completely covers it.<ref>{{cite EB1911|short=1|wstitle=Cleithral|volume=6|page=481}}</ref> }}

{{term|1= Clerestory|content= [[Clerestory]] }}
{{defn|1= The upper part of the nave of a large church, containing a series of windows.}}

{{term|1= Clock gable|content= [[Clock gable]] }}
{{defn|1= A gable or facade with a decorative shape characteristic of traditional Dutch architecture. The top of the gable is shaped like a church bell.}}

{{term|1= Coffer |content= [[Coffer]] }}
{{defn|1= A sunken panel in the shape of a square, rectangle, or octagon that serves as a decorative device, usually in a ceiling or vault. Also called caissons, or lacunar.{{sfn|Ching|1995|p=30}} }}

{{term|1= Colarin |content= Colarin or [[Hypotrachelium]]}}
{{defn|1= (also colarino, collarino, or hypotrachelium) The little frieze of the capital of the Tuscan and Doric column placed between the astragal and the annulets. It was called [[hypotrachelium]] by [[Vitruvius]]. }}

{{term|1= Column |content= [[Column]] }}
{{defn|1= A structural element that transmits, through compression, the weight of the structure above to other structural elements below. }}

{{term|1= Compass |content= [[Compass (architecture)|Compass]] }}
{{defn|1= In carpentry, architecture, and shipbuilding, a compass is a curved circular form. }}

{{term|1= Compluvium |content= [[Compluvium]] }}
{{defn|1= The Latin term for the open space left in the roof of the [[atrium (architecture)|atrium]] of a Roman house ([[domus]]) for lighting it and the rooms round.<ref>{{cite EB1911|short=1|wstitle=Compluvium|volume=6|page=811}}</ref> }}

{{term|1= Coping |content= [[Coping (architecture)|Coping]] }}
{{defn|1= The capping or covering of a wall.}}

{{term|1= Corbel |content= [[Corbel]] }}
{{defn|1= A structural piece of stone, wood or metal jutting from a wall to carry a superincumbent weight. }}

[[File:Crow-stepped gables, typical Dutch tradition at Zaltbommel - panoramio.jpg|thumb|A corbie gable from [[Zaltbommel]]]]
{{term|1= Corbiesteps |content= [[Stepped gable|Corbiesteps]] }}
{{defn|1= A series of steps along the slopes of a [[gable]].<ref>Parker, John Henry (1994). "Corbie-steps". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. pp.&nbsp;82. {{isbn|1-85958-069-6}}.</ref> Also called crow-steps. A gable featuring corbiesteps is known as a corbie gable, crow-step gable, or stepped gable.<ref>Fletcher, Banister (1975). "Corbie Gable". ''Sir Banister Fletcher's [[A History of Architecture]]'' (18th&nbsp;ed.). New York City: Charles Scribner's Sons. p.&nbsp;1316. {{isbn|0-684-14207-4}}.</ref> }}

{{term|1= Corinthian order |content= [[Corinthian order]] }}
{{defn|1= One of the three [[Classical order|orders]] or organisational systems of Ancient Greek or classical architecture characterised by columns which stood on the flat pavement of a temple with a base, their vertical shafts fluted with parallel concave grooves topped by a [[Capital (architecture)|capital]] decorated with [[Acanthus (ornament)|acanthus]] leaves, that flared from the column to meet an [[Abacus (architecture)|abacus]] with concave sides at the intersection with the horizontal beam that they carried. }}

{{term|1= Cornice |content= [[Cornice]] }}
{{defn|1= The upper section of an entablature or a projecting shelf along the top of a wall often supported by brackets or [[corbel]]s. }}

{{term|1= Course |content= [[Course (architecture)|Course]]}}
{{defn|1= A layer of the same unit running horizontally in a wall.}}

{{term|1= Cresting |content= [[Cresting (architecture)|Cresting]] }}
{{defn|1= Ornamentation along the ridge of a roof.}}

{{term|1= Cross Springer }}
{{defn|1= A block from which the diagonal ribs of a vault spring or start.  The top of the springer is known as the skewback.<ref>{{cite EB1911|short=1||volume=7|page=510|wstitle=Cross Springer}}</ref> }}

{{term|1= Cross-wing |content=[[Cross-wing]] }}
{{defn|1= A wing attached to a main or original house block, its axis at right angles to the original block, and often gabled.}}

{{term|1= Crypt |content= [[Crypt]] }}
{{defn|1= A stone chamber beneath the floor of a church or other building. It typically contains [[coffin]]s, [[Sarcophagus|sarcophagi]], or [[Relic|religious relics]]. }}

{{term|1= Cryptoporticus |content= [[Cryptoporticus]] }}
{{defn|1= A concealed or covered passage, generally underground, though lighted and ventilated from the open air. One of the best-known examples is the crypto-porticus under the palaces of the Caesars in Rome. In Hadrian's Villa in Rome they formed the principal private intercommunication between the several buildings.<ref>{{Cite EB1911|short=1|wstitle=Crypto-porticus|volume=7|page=566}}</ref> }}

{{term|1= Cuneus}}
{{defn|1= A wedge-shaped division of the Roman theatre separated by the ''scalae'' or stairways.<ref>Vitruvius v. 4.</ref> This shape also occurred in medieval architecture.}}

{{term|1= Cupola |content= [[Cupola]] }}
{{defn|1= A small, most often dome-like, structure on top of a building.}}

{{term|1= Cyma}}
{{defn|1= A projecting [[Molding (decorative)|moulding]] whose edge forms an S-curve. The two major types of cyma are the cyma recta, in which the upper curve is concave, and the cyma reversa (also known as the [[ogee]]), in which the lower curve is concave.<ref>Parker, John Henry (1994). "Cyma". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. p.&nbsp;91. {{isbn|1-85958-069-6}}.</ref> }}

{{term|1= Cyrto-style}}
{{defn|1= A circular projecting portico with columns.<ref>{{Cite EB1911|wstitle=Cyrto-style|page=706|volume=7|short=x}}</ref>}}
{{glossary end}}

==D==
{{glossary}}
{{term|1= Denticulation }}
{{defn|1= Finely toothed or notched; having [[Dentil|dentils]].<ref>''Free Dictionary'', accessed December 15, 2019</ref> }}

{{term|1= Dentil |content= [[Dentil]] }}
{{defn|1= One of a series of small rectangular blocks projecting from a [[Molding (decorative)|moulding]] or beneath a [[cornice]]. A string of dentils is known as dentillation. }}

{{term|1= Diastyle }}
{{defn|1= An [[intercolumniation]] of three or four diameters.<ref>{{cite EB1911|short=1|wstitle=Diastyle}}</ref> }}

{{term|1= Diaulos |content= [[Diaulos (architecture)|Diaulos]] }}
{{defn|1= [[#Peristyle|Peristyle]] around the great court of the [[palaestra]], described by [[Vitruvius]], which measured two stadia (1,200&nbsp;ft.) in length, on the south side this peristyle had two rows of columns, so that in stormy weather the rain might not be driven into the inner part. The word was also used in ancient Greece for a foot race of twice the usual length.<ref>{{cite EB1911|short=1|wstitle=Diaulos}}</ref> }}

{{term|1= Diazoma }}
{{defn|1= A horizontal aisle in an ancient [[Greek theater]] that separates the lower and upper tiers of  semi-circular seating and intersects with the vertical aisles.<ref>{{cite EB1911|short=1|wstitle=Diazomata}}</ref> }}

{{term|1= Dikka |content= [[Dikka]] }}
{{defn|1= An Islamic architectural term for the tribune raised upon columns, from which the Koran is recited and the prayers intoned by the Imam of the mosque.<ref>{{cite EB1911|short=1|wstitle=Dikka}}</ref> }}

{{term|1= Dipteral |content= {{anchor|Dipteral}}}}
{{defn|1= Temples which have a double range of columns in the [[#Peristyle|peristyle]], as in the temple of [[Diana (mythology)|Diana]] at [[Ephesus]].<ref>{{cite EB1911|short=1|wstitle=Dipteral}}</ref> }}

{{term|1= Distyle |content= [[Distyle in antis]] }}
{{defn|1= Having two columns. }}

{{term|1= Distyle-in-antis |content=  }}
{{defn|1= A portico having two columns between two [[anta (architecture)|anta]]<ref>{{cite EB1911|short=1|wstitle=Distyle}}</ref> }}

{{term|1= Dodecastyle }}
{{defn|1= A temple where the [[portico]] has twelve columns in front, as in the portico added to the [[Temple of Demeter]] at [[Eleusis]], designed by [[Philo]], the architect of the arsenal at the [[Peiraeus]].<ref>{{cite EB1911|short=1|wstitle=Dodecastyle}}</ref> }}

[[File:Classical orders from the Encyclopedie.png|right|thumb]]
{{term|1= Doric order |content= [[Doric order]] }}
{{defn|1= One of the three [[Classical order|orders]] or organisational systems of Ancient Greek or classical architecture characterised by columns which stood on the flat pavement of a temple without a base, their vertical shafts fluted with parallel concave grooves topped by a smooth [[Capital (architecture)|capital]] that flared from the column to meet a square [[Abacus (architecture)|abacus]] at the intersection with the horizontal beam that they carried. }}

{{term|1= Dormer |content= [[Dormer]] }}
{{defn|1= A structural element of a building that protrudes from the plane of a sloping [[roof]] surface. Dormers are used, either in original construction or as later additions, to create usable space in the roof of a building by adding headroom and usually also by enabling addition of windows. }}

{{term|1= Dosseret |content= Dosseret, or [[impost block]] {{anchor|Dosseret|impost block}}}}
{{defn|1= A cubical block of stone above the capitals in a Byzantine church, used to carry the arches and vault, the springing of which had a superficial area greatly in excess of the column which carried them.<ref>{{cite EB1911|short=1|wstitle=Dosseret}}</ref> }}

{{anchor|Double-depth plan}}{{term|1= Double-depth plan}}
{{defn|1= A plan for a structure that is two rooms deep but lacking a central corridor.<ref>{{cite web|title=Double depth plan|url=http://thesaurus.historicengland.org.uk/thesaurus_term.asp?thes_no=546&term_no=137705|website=English Heritage Online Thesaurus|access-date=5 December 2016}}</ref>}}

{{term|1= Dromos }}
{{defn|1= An entrance passage or avenue leading to a building, tomb or passageway. Those leading to [[beehive tomb]]s are enclosed between stone walls and sometimes in-filled between successive uses of the tomb.{{sfn|Deurer|2011}}<ref>{{cite web |title=Glossary of terms related to the catacoombs |publisher=International catacomb society |url=http://www.catacombsociety.org/glossary.html |access-date=2006-12-01 |archive-url=https://web.archive.org/web/20061027164701/http://www.catacombsociety.org/glossary.html |archive-date=2006-10-27 }}</ref> In ancient Egypt the dromos was a straight, paved avenue flanked by sphinxes.{{sfn|Deurer|2011}}<ref>{{cite EB1911|short=1|wstitle=Dromos}}</ref> }}

{{term|1= Dutch gable|content= [[Dutch gable]] }}
{{defn|1= A gable whose sides have a shape made up of one or more curves and has a pediment at the top.}}

{{glossary end}}

==E==
{{glossary}}
{{term|1= |content= [[Eave return]] }}
{{defn|1= An element of Classical Revival architecture in American domestic architecture.}}

{{term|1= Egg-and-dart |content= [[Egg-and-dart]] }}
{{defn|1= An ornamental [[Molding (decorative)|moulding]] in which an [[ovolo]] is inscribed with alternating oval and V-shaped [[Motif (visual arts)|motifs]]. }}

{{term|1= Enfilade |content= [[Enfilade (architecture)|Enfilade]] }}
{{defn|1= A row of rooms with aligned doorways, creating a linear processional route. Enfilades were common in upper-class [[Baroque architecture]] and are used in museum layouts to manage flow. }}

{{term|1= Engaged column |content= [[Engaged column]] }}
{{defn|1= A [[column]] built into and partially projecting from a wall, particularly notable in [[Roman Architecture|Roman architecture]]. }}

{{term|1= Engawa |content= [[Engawa]] }}
{{defn|1= In [[Japanese architecture]], a section of floor outside the [[shoji]] that encircles the structure's rooms, similar to a [[porch]] or, when itself enclosed by [[Storm door|storm doors]] or [[sheet glass]], a [[sunroom]]. }}

{{term|1= |content= [[Entablature]] }}
{{defn|1= A superstructure of mouldings and bands which lie horizontally above columns, resting on their capitals. }}

{{term|1= |content= [[Entasis]] }}
{{defn|1= The application of a convex curve to a surface for aesthetic purposes. Its best-known use is in certain orders of Classical columns that curve slightly as their diameter is decreased from the bottom upward. It also may serve an engineering function regarding strength. }}

{{term|1= Ephebeum }}
{{defn|1= ({{lang|grc-Latn|ephebion}}) A large hall in the ancient [[Palaestra]] furnished with seats, the length of which should be a third larger than the width. It served for the exercises of youths of from sixteen to eighteen years of age.<ref>{{cite EB1911|short=1 |wstitle=Ephebeum |volume=9 |page=669}}</ref> }}

{{term|1= Epinaos }}
{{defn|1= An open [[vestibule (architecture)|vestibule]] behind the [[nave]]. The term is not found in any classic author, but is a modern coinage, originating in Germany, to differentiate the feature from the [[opisthodomos]], which in the [[Parthenon]] was an enclosed chamber.<ref>{{cite EB1911|short=1 |wstitle=Epinaos}}</ref> }}

{{term|1= Estípite |content= [[Estipite|Estípite]] }}
{{defn|1= In [[Churrigueresque | Churrigueresque Baroque]] architecture, an elaborate [[pilaster]] with a tapered base.}}

{{term|1= Estrade}}
{{defn|1= The French term for a raised platform or [[dais]]. In the [[Levant]], the estrade of a divan is called a Sopha, from which comes our word 'sofa'.<ref>{{cite EB1911|short=1 |wstitle=Estrade |volume=9 |page=800 }}</ref> }} In historical gardening, an ''estrade'' plant was pruned and trained with the main stem bare in sections, to achieve an appearance often likened to a "wedding cake".<ref>[https://blog.metmuseum.org/cloistersgardens/tag/estrade/ "The medieval Garden Enclosed"], Met Museum blog, 2009 </ref>   

{{term|1= Eustyle }}
{{defn|1= [[Intercolumniation]] defined by [[Vitruvius]] as being of the best proportion, i.e. two and a quarter diameters.<ref>{{cite EB1911|short=1 |wstitle=Eustyle |volume=9 |page=957}}</ref> }}
{{glossary end}}

==F==
{{glossary}}
{{term|1= Facade |content= [[Facade]] }}
{{defn|1= An exterior side of a building, usually the front.}}

{{term|1= Fanlight |content= [[Fanlight]] }}
{{defn|1= A window, semicircular or semi-elliptical in shape, with glazing bars or tracery sets radiating out like an open fan. }}

{{term|1= Fan vault |content= [[Fan vault|Fan Vault]] }}
{{defn|1= A [[conoid]] architectural element in which a series of equidistant curved ribs projects radially from a central axis, often a vertical wall support such as a [[column]]. Fan vaults are particularly connected with the [[English Gothic architecture|English Gothic]] style. }}

{{term|1= Fascia}}
{{defn|no=1|1= A board attached to the lower ends of [[Rafter|rafters]] at the [[eaves]]. Along with the [[soffit]], the fascia helps enclose the eave.<ref>Bonk, Lawrence. [https://www.angi.com/articles/understanding-fascia-and-soffit-repair.htm "Understanding Fascia and Soffit Repair"]. Angi. 2022. Retrieved 2022-11-13.</ref> }}
{{defn|no=2|1= In some [[Classical order|Classical orders]], one of a series of bands (either fillets or faces) sometimes seen around the [[architrave]].<ref>Parker, John Henry (1994). "Fascia". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. p.&nbsp;115. {{isbn|1-85958-069-6}}.</ref> }}

{{term|1= Feretory }}
{{defn|1= An enclosure or chapel within which the [[reliquary|fereter]] shrine, or tomb (as in [[Henry VII Chapel|Henry VII's chapel]]), was placed.<ref>{{cite EB1911|short=1 |wstitle=Feretory}}</ref> }}

{{term|1= Fillet}}
{{defn|no=1|1= A small band, either raised or sunken and usually square, used to separate [[Molding (decorative)|mouldings]].<ref>Fletcher, Banister (1975). "Fillet". ''Sir Banister Fletcher's [[A History of Architecture]]'' (18th&nbsp;ed.). New York City: Charles Scribner's Sons. p.&nbsp;1319. {{isbn|0-684-14207-4}}.</ref> }}
{{defn|no=2|1= The raised edge between two [[Fluting (architecture)|flutes]] on a [[column]] or [[pilaster]], if that edge is flat.<ref>[http://lookingatbuildings.org.uk/glossary/glossary/F.html?no_cache=1&tx_contagged%5bpointer%5d=2 "Glossary"]. ''Looking at Buildings''.</ref> }}

{{term|1= Finial|content= [[Finial]] }}
{{defn|1= An element marking the top or end of some object — such as a [[dome]], [[tower]], or [[gable]] — often formed to be a decorative feature. Small finials may also be used as ornamentation for furniture, poles, and light fixtures. }}

{{term|1= Flushwork |content= [[Flushwork]] }}
{{defn|1= The decorative combination on the same flat plane of [[flint]] and [[ashlar]] stone.  It is characteristic of medieval buildings, most of the survivors churches, in several areas of Southern England, but especially [[East Anglia]]. If the stone projects from a flat flint wall, the term is proudwork as the stone stands "proud" rather than being "flush" with the wall. }}

{{term|1= Flying buttress |content= [[Flying buttress]] }}
{{defn|1= A type of [[buttress]] that transmits the thrust to a heavy abutment by means of a half-arch. }}

{{term|1= Flying rib }}
{{defn|1= An exposed structural beam over the uppermost part of a building which is not otherwise connected to the building at its highest point. A feature of H frame constructed concrete buildings and some modern skyscrapers. }}

{{term|1= Foil |content= [[Foil (architecture)|Foil]] }}
{{defn|1= An architectural device based on a symmetrical rendering of leaf shapes, defined by overlapping circles of the same diameter that produce a series of cusps to make a lobe. Typically, the number of cusps can be three ([[trefoil]]), four ([[quatrefoil]]), five (cinquefoil), or a larger number.}}

{{term|1= Footprint }}
{{defn|1= The area on a plane directly beneath a structure, that has the same perimeter as the structure.<ref>Harris, Cyril M., (ed.), ''Dictionary of architecture & construction'', 4th ed, McGraw-Hill, NY, 2006</ref> }}

{{term|1= Foot-stall }}
{{defn|1= The lower part of a pier. (A literal translation of "pedestal.")<ref>{{cite EB1911|short=1 |wstitle=Foot-stall |volume=10 |page=628}}</ref> }}

{{term|1= Formeret }}
{{defn|1= The French term for the wall-rib carrying the web or filling-in of a vault.<ref>{{cite EB1911|short=1 |wstitle=Formeret}}</ref> }}

{{term|1= Fractable }}
{{defn|1= A [[Coping (architecture)|coping]], often ornamental, on a [[gable]] that hides the slope of the roof and becomes a [[parapet]].<ref>"fractable". ''[[CollinsDictionary.com]]''. [[HarperCollins]]. Retrieved 2022-11-13.</ref><ref>{{Cite book |last=Curl |first=James Stevens |last2=Wilson |first2=Susan |title=A Dictionary of Architecture and Landscape Architecture |publisher=Oxford University Press |year=2015 |isbn=978-0-19-967498-5 |edition=3rd |language=en}}</ref> }}

{{term|1= Fusuma |content= [[Fusuma]] }}
{{defn|1= An opaque partition consisting of a cloth or paper sheet over a wood framework, commonly seen in traditional [[Japanese architecture]]. Fusuma are built to be moved (usually by sliding them along tracks) or removed, allowing rooms to be reorganized and reshaped as desired and, in earlier constructions, allowing the interior of a structure to open directly to the outdoors. Some fusuma are painted, though many now feature printed graphics. [[Shoji]] are similar to fusuma but are generally translucent. }}
{{glossary end}}

==G==
{{glossary}}
{{term|1= Gable |content= [[Gable]] }}
{{defn|1= A triangular portion of an end wall between the edges of a sloping roof. }}

{{term|1= Gablets }}
{{defn|1= Triangular terminations to [[buttress]]es, much in use in the [[Early English Period|Early English]] and [[Decorated Gothic|Decorated periods]], after which the buttresses generally terminated in [[pinnacle]]s. The Early English gablets are generally plain, and very sharp in pitch. In the Decorated period they are often enriched with paneling and [[crocket]]s. They are sometimes finished with small crosses, but more often with finials.<ref>{{cite EB1911|short=1 |wstitle=Gablets |volume=11 |page=381}}</ref> }}

{{term|1= Gadrooning |content= [[Gadrooning]] }}
{{defn|1= A carved or curved moulding used in architecture and interior design as a decorative motif, often consisting of flutes which are inverted and curved. Popular during the Italian Renaissance.<ref>{{cite EB1911|short=1 |wstitle=Godroon}}</ref> }}

{{term|1= Galletting |content= [[Galletting]] (also Garretting) {{anchor|galletting|garretting}}}}
{{defn|1= The process in which the gallets or small splinters of stone are inserted in the joints of coarse masonry to protect the mortar joints. They are stuck in while the mortar is wet.<ref>{{cite EB1911|short=1 |wstitle=Garretting |volume=11 |page=475}}</ref> }}

{{term|1= Gambrel |content= [[Gambrel]] }}
{{defn|1= A symmetrical two-sided roof with two slopes on each side. }}

{{term|1= Gargoyle |content= [[Gargoyle]] }}
{{defn|1= A carved stone grotesque with a spout designed to convey water from a roof. }}

{{term|1= Garret |content= [[Garret]] }}
{{defn|1= A habitable attic at the top of a larger building, generally with sloping walls, and with skylights or dormer windows. }}

{{term|1= Gauged brickwork |content= Gauged brickwork (also rubbed brickwork) {{anchor|gauged brickwork|rubbed brickwork}} }}
{{defn|1= [[Brickwork]] constructed of soft bricks rubbed to achieve a fine smooth finish with narrow joints between courses. }}

{{term|1= Gazebo |content= [[Gazebo]] }}
{{defn|1= A freestanding [[pavilion]]  structure often found in parks, gardens and public areas. }}

{{term|1= Geison |content= [[Geison]]}}
{{defn|1= (Greek: γεῖσον — often interchangeable with [[cornice]]) The part of the [[entablature]] that projects outward from the top of the frieze in the [[Doric order]] and from the top of the frieze course of the [[Ionic order|Ionic]] and [[Corinthian order|Corinthian]] orders; it forms the outer edge of the roof on the sides of a structure with a sloped roof. }}

{{term|1= Gorgerin|content= [[Gorgerin]]}}
{{defn|1= On some [[Capital (architecture)|capitals]], a smooth or ornate part placed above the astragalus of a column. }}

{{term|1= Geodesic dome |content= [[Geodesic dome]] }}
{{defn|1= A structure formed of straight wood or metal members between points (or nodes) on a circular sphere (or part thereof) that are "pinned" at each connection point to two or more other members that transfer loads imposed on the structure to the base of the structure. The geometric areas between individual members may support a "skin" if the structure is to be enclosed.  A "regular" geodesic structure have members of equal length but strengths of members may vary depending on location in the geodesic "grid". }}

{{Term| 1= Grotto | content= [[Grotto]] }}
{{ Defn|1= An exterior submerged room that is decorated with landscaping or art in which has no exterior exit or entrance. One enters and exits only through the building. }}

{{term|1= Gutta |content= [[Gutta]] }}
{{defn|1= In a [[Doric order|Doric]] [[entablature]], one of a number of small, projecting, drop-like ornaments under the [[Triglyph|triglyphs]] between the taenia and the [[architrave]] as well as under the mutules. }}

{{glossary end}}

==H==
{{glossary}}
{{term|1= Hip roof |content= [[Hip roof]] }}
{{defn|1= A type of roof where all sides slope downwards from the ridge to the eaves. }}

{{term|1= Hood mould |content= [[Hood mould]] }}
{{defn|1= An external moulded projection from a wall over an opening to throw off rainwater. Also known as a dripstone. }}

{{term|1= Hyphen |content= [[Hyphen (architecture)|Hyphen]] }}
{{defn|1= Possibly from an older term "heifunon",<ref name="name">{{cite web |url= http://en.allexperts.com/q/Architecture-2369/heifunon.htm |title= Q & A about "heifunon." |author= Richard Taylor, [[American Institute of Architects|AIA]] |work= All Experts, owned by [[About.com]] |date= 10 April 2007 |quote=  |access-date= 24 July 2007 |archive-date= 12 October 2008 |archive-url= https://web.archive.org/web/20081012052215/http://en.allexperts.com/q/Architecture-2369/heifunon.htm }}'''[[Question]]''':  In the film ''[[At First Sight (1999 film)|At First Sight]]'' the word "heifunon" was mentioned as a supposed architectural term…  Is there really such a word? I can find nothing with that spelling.  '''Answer''':  My guess is that they're talking about a "hyphen" … a connecting piece between two larger masses of a building.  It is most commonly used when referring to [[American colonial architecture|Colonial-era houses]] - especially the [[Colonial Georgian|Georgian style]].  Take a look at the photo <nowiki>[</nowiki>of the [[James Brice]] house<nowiki>]</nowiki> at [http://www.bsos.umd.edu/anth/aia/james_brice_house.htm the top of this page.]  The hyphens are clearly visible on either side of the main house block.  The masses connected to the main house by the hyphens are called dependencies. |archive-url= https://web.archive.org/web/20081012052215/http://en.allexperts.com/q/Architecture-2369/heifunon.htm |archive-date= 12 October 2008</ref> a structural section connecting the main portion of a building with its projecting "dependencies" or wings. }}
{{glossary end}}

==I==
{{glossary}}
{{term|1= Imperial roof decoration|content= [[Imperial roof decoration]] }}
{{defn|1= A row of small figures along the unions of the roofs of Chinese official buildings. }}

{{term|1= Intercolumniation |content= [[Intercolumniation]] }}
{{defn|1= The interval separating one [[column]] from another in a [[colonnade]].<ref>Parker, John Henry (1994). "Intercolumniation". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. p.&nbsp;141. {{isbn|1-85958-069-6}}.</ref> Intercolumniation regularly occurs in six forms: pycnostyle, systyle, eustyle, diastyle, araeostyle, and araeosystyle. }}

{{term|1= Interlaced arches|content= [[Interlaced arches]]}}
{{defn|1= A scheme of decoration employed in [[Romanesque architecture|Romanesque]] and [[Gothic architecture|Gothic]] architecture, where [[arch]]es are thrown from alternate [[Pier (architecture)|piers]], interlacing or intersecting one another. In the former case, the first arch [[Molding (decorative)|mould]] is carried alternately over and under the second, in the latter the mouldings actually intersect and stop one another.<ref>{{Cite EB1911|wstitle=Interlaced Arches|short=1|volume=14|page=693}}</ref>}}

{{term|1= Ionic order |content= [[Ionic order]] }}
{{defn|1= One of the three [[Classical order|orders]] or organisational systems of Ancient Greek or classical architecture characterised by columns which stood on the flat pavement of a temple with a base, their vertical shafts fluted with parallel concave grooves topped by a [[Capital (architecture)|capital]] with [[volute]]s, that flared from the column to meet a rectangular [[Abacus (architecture)|abacus]] with carved [[ovolo]] moulding, at the intersection with the horizontal beam that they carried. }}
{{glossary end}}

==J==
{{glossary}}
{{term|1= Jagati |content= [[Jagati (temple)|Jagati]] }}
{{defn|1= A raised surface, platform or terrace upon which an [[India]]n temple is placed. }}

{{term|1= Jettying |content= [[Jettying]] }}
{{defn|1= A building technique used in medieval timber frame buildings in which an upper floor projects beyond the dimensions of the floor below. }}
{{glossary end}}

==K==
{{glossary}}

{{term|1= Kamoi}}
{{defn|1= In [[Japanese architecture]], the upper rail, made from wood, to which [[shoji]] or [[fusuma]] are attached.<ref name=":0">{{Cite web |last=Takashi |first=Sasaki |date= 27 June 2021|title=The Japanese House: The Basic Elements of Traditional Japanese Residential Architecture |url=https://meguri-japan.com/en/knowledge/20210627_1697/ |access-date=2022-11-13 |website=Meguri Japan}}</ref> }}

[[File:Chigi-Katsuogi-DSC1628-cropped.jpg|thumb|A [[Chigi (architecture)|chigi]] and [[katsuogi]] at the end of the ridgeline of a [[Shinto architecture|Shinto]] roof]]
{{term|1= Katsuogi |content= [[Katsuogi]] }}
{{defn|1= In [[Japanese architecture]], a log used as ornamentation atop the roof. Katsuogi are normally round and are placed in parallel lines perpendicular to the ridge. They are currently only used on [[Shinto shrine|Shinto shrines]], placed behind [[Chigi (architecture)|chigi]] and sometimes helping to convey, by their parity, the sex of the [[kami]] within. }}

{{term|1= Keystone |content= [[Keystone (architecture)|Keystone]] }}
{{defn|1= The architectural piece at the crown of a vault or arch and marks its apex, locking the other pieces into position. }}
{{glossary end}}

==L==
{{glossary}}
{{term|1= Lacunar }}
{{defn|1= The Latin term for a paneled or [[coffered ceiling]], [[soffit]], or [[Vault (architecture)|vault]] adorned with a pattern of recessed [[Panel painting|panel]]s.<ref>{{cite EB1911|short=1 |wstitle=Lacunar |volume=16 |page=56}}</ref> }}

{{term|1= Latticework |content= [[Latticework]] }}
{{defn|1= An ornamental, lattice framework consisting of small strips in a criss-crossed pattern. }}

{{term|1= Lesene |content= [[Lesene]] }}
{{defn|1= A type of [[pilaster]] that lacks a [[Pedestal|base]] or [[Capital (architecture)|capital]].<ref>Fletcher, Banister (1975). "Lesene". ''Sir Banister Fletcher's [[A History of Architecture]]'' (18th&nbsp;ed.). New York City: Charles Scribner's Sons. p.&nbsp;1322. {{isbn|0-684-14207-4}}.</ref> }}

{{term|1= Light |content= [[Light (window)|Light]] }}
{{defn|1= The opening(s) in a window between mullions and muntins through which light enters an interior space.   A 6:6 window is a window that has six lights in the upper sash and six in the lower sash. }}

{{term|1= Lightning rod |content= [[Lightning rod]] }}
{{defn|1= A conductive bar of copper or zinc coated steel mounted on the ridge or a roof or on the parapet of a building connected to a large capacity conductor, usually copper, routed to a ground rod driven into the earth for the purpose of safely directing electrical charges caused by a lightning strike to the ground to avoid damage or fire to the structure. }}

{{term|1= Lintel |content= [[Lintel (architecture)|Lintel]] }}
{{defn|1= A horizontal block that spans the space between two supports usually over an opening such as a window or door. }}

{{term|1= Loculus |content= [[Loculus (architecture)|Loculus]] }}
{{defn|1= An architectural niche that houses a body, as in a catacomb, hypogeum, mausoleum or other place of entombment. }}

{{term|1= Loggia |content= [[Loggia]] }}
{{defn|1= A gallery formed by a colonnade open on one or more sides. The space is often located on an upper floor of a building overlooking an open court or garden. }}

{{term|1= Lunette |content= [[Lunette]] }}
{{defn|1= A half-moon shaped space, either masonry or void. }}
{{glossary end}}

==M==
{{glossary}}
{{term|1= Mandapa |content= [[Mandapa]] }}
{{defn|1= In [[Indian architecture]], a pillared outdoor hall or [[pavilion]] for public rituals. }}

{{term|1= Maqsurah |content= [[Maqsurah]] (maqsura) {{anchor|maqsurah|maqsura}}}}
{{defn|1= In [[Islamic architecture]], the sanctuary or praying-chamber in a mosque, sometimes enclosed with a screen of [[lattice-work]]; occasionally, a similar enclosure round a tomb. }}

{{term|1= Mansard roof |content= [[Mansard roof]] }}
{{defn|1= A [[Hip roof|curb hip roof]] in which each face has two slopes, the lower one steeper than the upper; from the French ''mansarde'' after the accomplished 17th-century French architect noted for using (not inventing) this style, [[François Mansart]], died 1666.}}

{{term|1= Marriage stone |content= [[Marriage stone]] }}
{{defn|1= A stone lintel, usually carved, with a marriage date. }}

{{term|1= Mascaron |content= [[Mascaron (architecture)|Mascaron]] }}
{{defn|1= A face, usually human, sometimes frightening or chimeric, used as a decorative element. }}

{{term|1= Meander |content= [[Meander (art)|Meander]] }}
{{defn|1= A decorative border consisting of a repeated linear [[Motif (visual arts)|motif]], particularly of intersecting perpendicular lines.<ref>Parker, John Henry (1994). "Fret". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. p.&nbsp;124. {{isbn|1-85958-069-6}}.</ref> Also known as a fret or a key pattern. }}

{{term|1= Metope |content= [[Metope]] }}
{{defn|1= In a [[Doric order|Doric]] [[entablature]], the space between [[Triglyph|triglyphs]] along the [[frieze]].<ref>Fletcher, Banister (1975). "Metope". ''Sir Banister Fletcher's [[A History of Architecture]]'' (18th&nbsp;ed.). New York City: Charles Scribner's Sons. p.&nbsp;1323. {{isbn|0-684-14207-4}}.</ref> These may be ornamented or plain, and may be square or rectangular.<ref>Parker, John Henry (1994). "Metope". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. pp.&nbsp;155–156. {{isbn|1-85958-069-6}}.</ref> }}

{{term|1= Mihrab |content= [[Mihrab]] }}
{{defn|1= In [[Islamic architecture]], a semicircular [[Niche (architecture)|niche]] in the wall of a mosque that indicates the direction of prayer. }}

{{term|1= Minaret |content= [[Minaret]] }}
{{defn|1= In [[Islamic architecture]], a tall [[spire]] with a conical or onion-shaped crown, on or near a mosque, that is used by the imam to give the prayer call. }}

{{term|1= Modillion |content= [[Modillion]] }}
{{defn|1= An enriched block or horizontal bracket generally found under the cornice and above the bedmould of the Corinthian entablature. It is probably so called because of its arrangement in regulated distances.<ref>{{cite EB1911|short=1 |wstitle=Modillion}}</ref> }}

{{term|1= Moulding |content= [[Molding (decorative)|Moulding]] }}
{{defn|1= A decorative finishing strip. }}

{{term|1= Monotriglyph }}
{{defn|1= The interval of the [[intercolumniation]] of the [[Doric order|Doric]] column, which is observed by the intervention of one [[triglyph]] only between the triglyphs which come over the axes of the columns. This is the usual arrangement, but in the [[Propylaea]] at Athens there are two triglyphs over the central intercolumniation, in order to give increased width to the roadway, up which chariots and beasts of sacrifice ascended.<ref>{{cite EB1911|short=1 |wstitle=Monotriglyph}}</ref> }}

{{term|1= Mullion |content= [[Mullion]] }}
{{defn|1= A vertical structural element of stone, wood or metal within a window frame (cp. transom). }}

{{term|1= Muntin |content= [[Muntin]] }}
{{defn|1= A vertical or horizontal piece that divides a pane of glass into two or more panes or lites in a window. }}

{{term|1=  Muqarnas|content= [[Muqarnas]]}}
{{defn|1= A type of decorative corbel used in [[Islamic architecture]] that in some circumstances, resembles stalactites. }}

{{term|1= Mutule |content= Mutule {{anchor|Mutule}}}}
{{defn|1= A rectangular block under the [[soffit]] of the cornice of the Greek Doric temple, which is studded with [[guttae]]. It is supposed to represent the piece of timber through which the wooden pegs were driven in order to hold the rafter in position, and it follows the [[cornice|sloping rake]] of the roof. In the Roman Doric order the mutule was horizontal, with sometimes a crowning fillet, so that it virtually fulfilled the purpose of the modillion in the Corinthian cornice.<ref>{{cite EB1911|short=1 |wstitle=Mutule |volume=19 |page=102}}</ref> }}
{{glossary end}}

==N==
{{glossary}}
{{term|1= Narthex |content= [[Narthex]] }}
{{defn|1= An enclosed passage between the main entrance and the [[nave]] of a church. }}

{{term|1= Nave |content= [[Nave]] }}
{{defn|1= The main body of a church where the congregants are usually seated. It provides the central approach to the high [[altar]]. }}

{{term|1 = Newel|content= [[Newel]] }}
{{defn|1= The central supporting pillar of a spiral staircase. It can also refer to an upright post that supports the handrail of a stair railing and forms the lower, upper or an intermediate terminus of a stair railing usually at a landing.}}

{{term|1= Niche |content= [[Niche (architecture)|Niche]] }}
{{defn|1= In classical architecture, an [[exedra]] or [[apse]] that has been reduced in size, retaining the half-dome heading usual for an apse. }}
{{glossary end}}

==O==
{{glossary}}
{{term|1= Oculus |content= [[Oculus (architecture)|Oculus]] }}
{{defn|1= A circular opening in the center of a dome such as the one in the roof of the Pantheon in Rome or in a wall. }}

{{term|1= Oillets }}
{{defn|1= Arrow slits in the walls of medieval fortifications, but more strictly applied to the round hole or circle with which the openings terminate. The same term is applied to the small circles inserted in the tracery-head of the windows of the Decorated and Perpendicular periods, sometimes varied with trefoils and quatrefoils.<ref>{{cite EB1911|short=1 |wstitle=Oillets |volume=20 |page=43}}</ref> }}

{{term|1= Onion dome |content= [[Onion dome]] }}
{{defn|1= A dome whose shape resembles an onion. }}

{{term|1= Order |content= [[Order (mouldings)|Order]] }}
{{defn|1= A term for a standard arrangement of architectural features; most often refers to the three traditional [[classical order]]s of Western architecture: the [[Doric order]], [[Ionic order]] and [[Corinthian order]], though there are others.  Can also refer to types of mouldings most often found in Romanesque and [[Gothic architecture|Gothic arches]]. }}

{{term|1= Orthostates |content= [[Orthostates]] }}
{{defn|1= ([[Greek language|Greek]]: ὀρθοστάτης, standing upright) The Greek term for the lowest course of masonry of the external walls of the [[cella|naos]] or [[cella]], consisting of vertical slabs of stone or marble equal in height to two or three of the horizontal courses which constitute the inner part of the wall.<ref>{{Cite EB1911|short=1|wstitle=Orthostatae}}</ref> }}

{{term|1= Orthostyle }}
{{defn|1= ([[Greek language|Greek]]: ὃρθος, straight, and στῦλος, a column) A range of columns placed in a straight row, as for instance those of the portico or flanks of a classic temple.<ref>{{Cite EB1911|short=1|wstitle=Orthostyle}}</ref> }}

{{term|1= Ovolo |content= [[Ovolo]] }}
{{defn|1= A [[Molding (decorative)|moulding]] whose edge forms a convex quarter-circle or quarter-ellipse.<ref>Parker, John Henry (1994). "Ovolo". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. p.&nbsp;183. {{isbn|1-85958-069-6}}.</ref> }}
{{glossary end}}

==P==
[[File:Screen MoorhayesChapel CullomptonChurch Devon.PNG|thumb|[[Parclose screen]], c. 1530, of the [[Moor Hayes|Moorhayes]] Chapel, [[Cullompton]] Church, Devon, England]]
{{glossary}}

{{term|1= Panelling |content= [[Panelling]] }}
{{defn|1= A millwork wall covering constructed from rigid or semi-rigid components. These are traditionally interlocking wood, but could be plastic or other materials.

Panelling was developed in antiquity to make rooms in stone buildings more comfortable. The panels served to insulate the room from the cold stone. In more modern buildings, such panelling is often installed for decorative purposes. Panelling, such as wainscoting and boiserie in particular, may be extremely ornate and is particularly associated with seventeenth and eighteenth century interior design, Victorian architecture in Britain, and its international contemporaries.}}

{{term|1= Parapet |content= [[Parapet]] }}
{{defn|1= A low wall built up above the level of a roof, to hide the roof or to provide protection against falling, and similar structures associated with balconies, bridges etc.<ref>{{cite web|url=http://www.oxforddictionaries.com/definition/english/parapet |archive-url=https://web.archive.org/web/20120718141004/http://oxforddictionaries.com/definition/english/parapet |archive-date=July 18, 2012 |title=Parapet defined in Oxford Dictionaries |publisher=Oxforddictionaries.com |date=1912-04-28 |access-date=2014-05-01}}</ref> }}

{{term|1= [[Parclose screen]]}}
{{defn|1= A screen or railing used to enclose a [[chantry chapel]], tomb or [[Manorialism|manorial]] chapel, in a church, and for the space thus enclosed.<ref>{{cite EB1911|short=1 |wstitle=Parclose }}</ref> }}

{{term|1= Parterre |content= [[Parterre]] }}
{{defn|1= A [[garden]] design made from patterns of mostly low elements such as plant beds and small hedges interwoven with gravel or grass paths, historically meant to be open spaces. Modern parterres are often denser and taller. }}

{{term|1= Pavilion |content= [[Pavilion]] }}
{{defn|1= A freestanding structure near the main building or an ending structure on building wings. }}

{{term|1= Pedestal |content= [[Pedestal]] (also [[Plinth]]) {{anchor|pedestal|plinth}}}}
{{defn|1= The base or support on which a statue, obelisk, or column is mounted. A plinth is a lower terminus of the face trim on a door that is thicker and often wider than the trim which it augments. }}

{{term|1= Pediment |content= [[Pediment]] }}
{{defn|1= (Gr. ἀετός, Lat. ''fastigium'', Fr. ''ponton'') In classic architecture, the triangular-shaped portion of the wall above the cornice which formed the termination of the roof behind it. The projecting mouldings of the cornice which surround it enclose the tympanum, which is sometimes decorated with sculpture. }}

{{term|1= Pelmet |content= [[Pelmet]] }}
{{defn|1= A framework placed above a window. }}

{{term|1= Pendentive |content= [[Pendentive]] }}
{{defn|1= Three-dimensional [[spandrels]] supporting the weight of a dome over a square or rectangular base. }}

{{term|1= Peripteral |content=[[Peripteros|Peripteral]]}}
{{defn|1= A temple or other structure surrounded on all sides by columns forming a continuous [[portico]] at the distance of one or two [[intercolumniation]]s from the walls of the [[cella|naos]] or [[cella]]. Almost all the Greek temples were peripteral, whether Doric, Ionic, or Corinthian. }}

{{anchor|Peristasis}}{{term|1= Peristasis |content=[[Peristasis (architecture)|Peristasis]]}}
{{defn|1= (Greek: Περίστασις) A four-sided porch or hall of columns surrounding the [[cella]] in an ancient Greek [[peripteros]] temple (see also [[#Peristyle|Peristyle]]). In ecclesial architecture, it is also used of the area between the baluster of a Catholic church and the high altar (what is usually called the [[sanctuary]] or [[chancel]]). }}

{{anchor|Peristyle}}{{term|1= Peristyle |content=[[Peristyle]]}}
{{defn|1= A continuous porch of columns surrounding a courtyard or garden (see also [[#Peristasis|Peristasis]]). In ecclesial architecture, the term [[#cloister|cloister]] is used.}}

{{term|1= Phiale |content= [[Phiale (building)|Phiale]] }}
{{defn|1= A building or columned arcade around a fountain. }}

{{term|1= Piano nobile |content= [[Piano nobile]] }}
{{defn|1= The principal floor of a large house, built in the style of [[renaissance architecture]]. }}

{{term|1= Pier |content= [[Pier (architecture)|Pier]] }}
{{defn|1= An upright support for a superstructure, such as an arch or bridge. }}

{{term|1= Pilaster |content= [[Pilaster]] }}
{{defn|1= A flat, slightly projecting element that resembles a [[Column|pillar]] or [[Pier (architecture)|pier]] and is engaged in the face of a wall.<ref>Fletcher, Banister (1975). "Pilaster". ''Sir Banister Fletcher's [[A History of Architecture]]'' (18th&nbsp;ed.). New York City: Charles Scribner's Sons. p.&nbsp;1325. {{isbn|0-684-14207-4}}.</ref> Pilasters usually do not serve a structural purpose.<ref>{{Cite web |last=Craven |first=Jackie |date=2018-08-26 |title=All About Pilasters in Architecture |url=https://www.thoughtco.com/what-is-a-pilaster-engaged-column-4045117 |access-date=2022-11-13 |website=ThoughtCo}}</ref> }}

{{term|1= Planceer |content= Planceer or Planchier {{anchor|planceer|planchier}}}}
{{defn|1= A building element sometimes used in the same sense as a [[soffit]], but more correctly applied to the soffit of the [[corona (disambiguation)|corona]] in a [[cornice]].<ref>{{cite EB1911|short=1 |wstitle=Planceer |volume=5 |page=713}}</ref> }}

{{term|1= Plate girder |content= [[Plate girder]] }}
{{defn|1= A steel girder formed from a vertical center web of steel plate with steel angles forming the top and bottom flanges welded, bolted or riveted to the web. Some deep plate girders also may have vertical stiffeners (angles) attached to the web to resist crippling (horizontal failure) of the web.}}

{{term|1= Plinth |content= [[Plinth]] }}
{{defn|1= The base or platform upon which a column, pedestal, statue, monument or structure rests. A plinth is a lower terminus of the face trim on a door that is thicker and often wider than the trim which it augments. }}

{{term|1= Poppy heads |content= [[Poppyhead (carving)|Poppyheads]]}}
{{defn|1= Finials or other ornaments which terminate the tops of bench ends, either to pews or stalls. They are sometimes small human heads, sometimes richly carved images, knots of foliage or finials, and sometimes fleurs-de-lis simply cut out of the thickness of the bench end and chamfered. The term is probably derived from the French ''poupee'' doll or puppet used also in this sense, or from the flower, from a resemblance in shape.<ref>{{cite EB1911|short=1 |wstitle=Poppy Heads}}</ref> }}

{{term|1= Portcullis |content=[[Portcullis]] }}
{{defn|1= A heavy wooden or metallic grid vertically-sliding down and thus blocking the main gateway of a [[Middle Ages|medieval]] [[castle]] or fortification. }}

{{term|1= Porte-cochère |content= [[Porte-cochère]] }}
{{defn|1= An often ornate porch- or portico-like structure at a main or secondary entrance to a building through which vehicles can pass in order for the occupants to alight under cover, protected from the weather. }}

{{term|1= Portico |content= [[Portico]] }}
{{defn|1= A series of columns or arches in front of a building, generally as a covered walkway. }}

{{term|1= Prick post }}
{{defn|1= An old architectural name given sometimes to the queen posts of a roof, and sometimes to the filling in quarters in framing.<ref>{{cite EB1911|short=1 |wstitle=Prick posts}}</ref> }}

{{term|1= Prostyle |content= [[Prostyle]] }}
{{defn|1= Freestanding [[Column|columns]] that are widely spaced apart in a row.  The term is often used as an [[adjective]] when referring to a [[portico]] which projects from the main structure. }}

{{term|1= Pseudodipteral |content= [[Pseudodipteral]] }}
{{defn|1= A temple similar to a [[#Dipteral|dipteral]] temple, in which the columns surrounding the naos have had walls built between them, so that they become engaged columns, as in the great temple at Agrigentum. In Roman temples, in order to increase the size of the celia, the columns on either side and at the rear became engaged columns, the portico only having isolated columns.<ref>{{cite EB1911|short=1 |wstitle=Pseudo-peripteral |volume=22 |pages=541–542}}</ref> }}

{{term|1= Pteroma }}
{{defn|1= In Classical architecture, the enclosed space of a portico, [[#Peristyle|peristyle]], or stoa, generally behind a screen of columns. }}

{{term|1= Pycnostyle }}
{{defn|1= A term given by [[Vitruvius]] to the intercolumniation between the columns of a temple, when this was equal to one and a half diameters.<ref>{{cite EB1911|short=1 |wstitle=Pycnostyle}}</ref> }}
{{glossary end}}

==Q==
{{glossary}}
{{term|1= Quadriporticus }}
{{defn|1= Also known as a quadriportico, a four-sided [[portico]]. The closest modern parallel would be a [[colonnade]]d [[Quadrangle (architecture)|quadrangle]]. }}

{{term|1= Quirk}}
{{defn|1= A small recess, often V-shaped, at the edge of a [[Molding (decorative)|moulding]].<ref>Fletcher, Banister (1975). "Quirk". ''Sir Banister Fletcher's [[A History of Architecture]]'' (18th&nbsp;ed.). New York City: Charles Scribner's Sons. p.&nbsp;1327. {{isbn|0-684-14207-4}}.</ref> }}

{{term|1= Quoin |content= [[Quoin (architecture)|Quoin]] }}
{{defn|1= The cornerstones of brick or stone walls. Quoins are also common in some brickwork corners that are alternately recessed and expressed.}}
{{glossary end}}

==R==
{{glossary}}
{{term|1= Rake|content=[[Raking cornice|Rake]]  }}
{{defn|1= The diagonal outside facing edge of a gable, sometimes called a ''raking cornice'' or a ''sloping cornice''.  Rake is equivalent to slope which is the ratio of the rise to the run of the roof. }}

{{term|1= Rear vault }}
{{defn|1= A [[Vault (architecture)|vault]] of the internal hood of a doorway or window to which a splay has been given on the reveal, sometimes the vaulting surface is terminated by a small rib known as the scoinson rib, and a further development is given by angle shafts carrying this rib, known as scoinson shafts.<ref>{{cite EB1911|short=1 |wstitle=Rear Vault}}</ref> }}

{{term|1= Ressaut }}
{{defn|1= A projection in an [[entablature]]}}

{{term|1= Return }}
{{defn|1= The receding edge of a flat face. On a flat signboard, for example, the return is the edge which makes up the board's depth. }}

{{term|1= Revolving door }}
{{defn|1= An entrance door for excluding drafts from an interior of a building. A revolving door typically consists of three or four doors that hang on a center shaft and rotate around a vertical axis within a round enclosure. }}

{{term|1= Rib vault |content= [[Rib vault]] }}
{{defn|1= The intersection of two or three barrel vaults. }}

{{term|1= Ridge board |content= [[Ridge board]] }}
{{defn|1= A structural member that runs the length of the ridge (high point) on a sloped roof to which the upper ends of rafters are attached. }}

{{term|1= Roof comb |content= [[Roof comb]] }}
{{defn|1= The structure that tops a pyramid in monumental Mesoamerican architecture (also common as a decorative embellishment on the ridge of metal roofs of some domestic Gothic-style architecture in America in the 19th century). }}

{{term|1= Rotunda |content= [[Rotunda (architecture)|Rotunda]]}}
{{defn|1= A large and high circular hall or room in a building, usually but not always, surmounted by a dome. }}

{{glossary end}}

==S==
{{glossary}}

{{term|1= Sash|content= [[Sash window|Sash]] }}
{{defn|1= The horizontal and vertical frame that encloses the glazing of a window.  A sash may be fixed or operable and may be of several different types depending on operation (i.e. casement, single or double hung, awning, hopper or sliding). }}

{{term|1= Screens passage |content=[[Great hall|Screens passage]] }}
{{defn|1= The passage at one end of the [[Great hall]] of an English medieval house or castle, and separated from it by the spere. }}

{{term|1= Scroll |content=[[Scroll (art)|Scroll]] }}
{{defn|1= An ornamental element featuring a sequence of spiraled, circled or heart-shaped motifs. There are, among others, flower scrolls, foliated scrolls, plants scrolls, vines scrolls. }}

{{term|1= Shiki-i}}
{{defn|1= In [[Japanese architecture]], the lower rail, made from wood, to which [[shoji]] or [[fusuma]] are attached.<ref name=":0" /> }}

{{term|1= Shoji |content= [[Shoji]] }}
{{defn|1= A translucent partition consisting of a paper sheet over a wood framework, commonly seen in traditional [[Japanese architecture]]. Shoji are built to be moved (usually by sliding them along tracks) or removed, allowing rooms to be reorganized and reshaped as desired and, in earlier constructions, allowing the interior of a structure to open directly to the outdoors. Because of their translucence, shoji are notable for diffusing light, air, and sound. [[Fusuma]] are similar to shoji but are generally opaque. }}

{{term|1= Site-specific architecture |content= [[Site-specific architecture]] }}
{{defn|1= Architecture which is of its time and of its place. It is designed to respond to both its physical context, and the metaphysical context within which it has been conceived and executed}}

{{term|1= Skeiling |content= [[Skeiling]] }}
{{defn|1= A straight sloped part of a ceiling, such as on the underside of a pitched roof.<ref>{{Cite web|url=https://en.wiktionary.org/wiki/skeiling|title=Skeiling|date=11 March 2021}}</ref> }}

{{term|1= Soffit |content= [[Soffit]] }}
{{defn|1= Any architectural element's underside, especially the board connecting the walls of a structure to the [[Fascia (architecture)|fascia]] or the end of the [[roof]], enclosing the [[Eaves|eave]]. }}

{{term|1= Sommer |content= Sommer or Summer {{anchor|sommer|summer}} }}
{{defn|1= A girder or main "summer beam" of a floor: if supported on two storey posts and open below, also called a "bress" or "breast-summer". Often found at the centerline of the house to support one end of a [[joist]], and to bear the weight of the structure above.<ref>{{cite EB1911|short=1 |wstitle=Sommer |volume=25 |page=393}}</ref> }}

{{term|1= Spandrel |content= [[Spandrel]] }}
{{defn|no=1|1= In a building facade, the space between the top of the window in one story and the sill of the window in the story above. }}
{{defn|no=2|1= The space between two arches or between an arch and a rectangular enclosure. }}

{{term|1= Spere }}
{{defn|1= The fixed structure between the great hall and the screens passage in an English medieval timber house.}}

{{term|1= Spire |content= [[Spire]] }}
{{defn|1= A tapering conical or pyramidal structure on the top of a building.}}

{{term|1= Splay}}
{{defn|1= A slant created by cutting a wall around an opening such that the inside of the opening is wider or narrower than the outside.<ref>Parker, John Henry (1994). "Splay". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. p.&nbsp;263. {{isbn|1-85958-069-6}}.</ref>}}

{{term|1= Springer |content= [[Springer (architecture)|Springer]] }}
{{defn|1= The lowest [[voussoir]] on each side of an arch. }}

{{term|1= Squinch |content= [[Squinch]] }}
{{defn|1= A piece of construction used for filling in the upper angles of a square room so as to form a proper base to receive an octagonal or spherical [[dome]]. }}

{{term|1= Squint |content= [[Hagioscope|Squint]] }}
{{defn|1= An opening, often arched, through an internal wall of a church providing an oblique view of the altar. }}

{{term|1= Stoop |content=[[Stoop (architecture)|Stoop]] }}
{{defn|1= A small [[staircase]] ending in a platform and leading to the entrance of an [[apartment building]] or other building. }}

{{term|1= Sunburst |content= [[Sunburst]] }}
{{defn|1= A design or figure commonly used in architectural ornaments and design patterns, including [[art nouveau]]. }}

{{anchor|Syrian arch}}
{{term|1= Syrian arch}}
{{defn|1= In American architecture, esp. [[Richardsonian Romanesque]], an archway that begins at the ground, rather than being set upon a supporting pedestal. [Cf. [https://www.buffaloah.com/a/DCTNRY/s/syrian.html Richardsonian Romanesque: Syrian arch] ]
}}

{{term|1= Systyle }}
{{defn|1= In the [[classical order]]s, columns rather thickly set, with an [[intercolumniation]] to which two diameters are assigned.<ref>{{cite EB1911|short=1 |wstitle=Systyle }}</ref> }}
{{glossary end}}

==T==
{{glossary}}
{{term|1= Taenia}}
{{defn|1= In a [[Doric order|Doric]] [[entablature]], a raised fillet separating the [[architrave]] from the [[frieze]].<ref>Fletcher, Banister (1975). "Taenia". ''Sir Banister Fletcher's [[A History of Architecture]]'' (18th&nbsp;ed.). New York City: Charles Scribner's Sons. p.&nbsp;1329. {{isbn|0-684-14207-4}}.</ref> }}

{{term|1= Throating |content= [[Throating]] }}
{{defn|1= A continuous groove underneath a [[Coping (architecture)|coping]] or other projecting element, to prevent water from running back onto the wall beneath. }}

{{term|1= Timber framing |content= [[Timber framing]] }}
{{defn|1= The method of creating structures using heavy timbers jointed by pegged [[mortise and tenon]] joints. }}

{{term|1= Trabeated arch |content= [[Trabeated arch]] }}
{{defn|1= A simple construction method using a lintel, header, or architrave as the horizontal member over a building void supported at its ends by two vertical columns, pillars, or posts.  }}

{{term|1= Tracery |content= [[Tracery]] }}
{{defn|1= The stonework elements that support the glass in a Gothic window.}}

{{term|1= Transom|content= [[Transom (architectural)]]}}
{{defn|1= A window or element, fixed or operable, above a door but within its vertical frame; also horizontal structural element of stone, wood or metal within a window frame (cp. mullion). }}

{{term|1= Triglyph |content= [[Triglyph]] }}
{{defn|1= In a [[Doric order|Doric]] [[entablature]], an ornament along the [[frieze]] consisting of three vertical recesses.<ref>Parker, John Henry (1994). "Triglyph". ''A Concise Glossary of Architectural Terms'' (9th&nbsp;ed.). London, England: Studio Editions Ltd. p.&nbsp;309. {{isbn|1-85958-069-6}}.</ref> }}

{{term|1= Truss |content= [[Truss]] }}
{{defn|1= A structural component made of straight wood or metal members, usually in a triangular pattern, with "pinned" connections at the top and bottom chords and which is used to support structural loads, as those on a floor, roof or bridge. }}

{{term|1= Turret |content= [[Turret (architecture)|Turret]] }} 
{{defn|1= A small tower that projects vertically from the wall of a building such as a medieval castle. }}

{{term|1= Tympanum |content= [[Tympanum (architecture)|Tympanum]] }}
{{defn|1= ([[Greek (language)|Greek]] τύμπανον, from τύπτειν, to strike) The triangular space enclosed between the horizontal cornice of the entablature and the sloping cornice of the pediment. Though sometimes left plain, it is often decorated.}}
{{glossary end}}

==U==
{{glossary}}
{{term|1= Undercroft |content= [[Undercroft]] }}
{{defn|1= Traditionally, a cellar or storage room. In modern usage, a ground-level area that is relatively open to the sides, but covered by the building above.  }}
{{glossary end}}

==V==
{{glossary}}
{{term|1= Ventilation shaft |content= [[Ventilation shaft]] }}
{{defn|1= A small, vertical space within a tall building which permits ventilation of the building. }}

{{term|1= Vierendeel truss |content= [[Truss#Vierendeel Truss|Vierendeel truss]] }}
{{defn|1= A rectilinear truss usually fabricated of steel or concrete with horizontal top and bottom chords and vertical web members (no diagonals) in which the loads imposed on it are transferred to the supports through bending forces resisted in its connections. }}

{{term|1= Volute |content= [[Volute]] }}
{{defn|1= A spiral, scroll-like ornament that forms the basis of the Ionic order. }}

{{term|1= Voussoir|content= [[Voussoir]] }}
{{defn|1= A wedge-shaped or tapered stone between the springer and the keystone used to construct an arch. }}
{{glossary end}}

==W==
{{glossary}}
{{term|1= Wing }}
{{defn|no=1 |1= A lateral part or projection of a building or structure such as a [[wing wall]]. }}
{{defn|no=2 |1= A subordinate part of a building possibly not connected to the main building.<ref>"Wing" def. 9. a. ''Oxford English Dictionary'' Second Edition on CD-ROM (v. 4.0) © Oxford University Press 2009</ref> }}
{{defn|no=3 |1= The sides of a [[stage (theatre)]]. }}

{{term|1=[[Widow's walk]]}}
{{defn|1= A railed rooftop platform often having an inner cupola/turret frequently found on 19th-century North American coastal houses. }}

{{glossary end}}

==Z==
{{glossary}}
{{term|1= Zaguan|content= [[Zaguan]] }}
{{defn|1= A passageway of a central passage plan house, or the complex as a whole, in Territorial or Territorial Revival architecture in the American Southwest.}}

{{term|1= Ziggurat|content= [[Ziggurat]] }}
{{defn|1= A temple tower of the ancient Mesopotamian valley, having the form of a terraced pyramid of successively receding stories.}}
{{glossary end}}

==See also==
{{Wiktionary|Appendix:Architectural glossary}}
{{Portal|Architecture}}
* [[Outline of architecture]]
* [[List of classical architecture terms]]
* [[Classical order]]
* [[List of architectural vaults]]
* [[List of structural elements]]
* [[Glossary of engineering]]

==Notes==
{{reflist|2}}

==References==
*{{cite book|last=Ching |first=Francis D.K. |year=1995 |title=A Visual Dictionary of Architecture |publisher=John Wiley and Sons |location=New York |isbn=0-471-28451-3 |page=30}}
*{{cite web|author=Deurer|year=2011|title=Glossary of Egyptian Mythology |url=http://www.egyptartsite.com/glossary.html#d |access-date=2019-05-17}}
* {{cite wikisource|title=1911 Encyclopædia Britannica|last= Table of contents|first=|page=|wspage=|scan=}} ''Page has search box.''

{{Glossaries of science and engineering}}

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