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| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| Glossary of architecture | 7/8 | https://en.wikipedia.org/wiki/Glossary_of_architecture | reference | science, encyclopedia | 2026-05-05T07:50:21.384382+00:00 | kb-cron |
Peristasis (Greek: Περίστασις) A four-sided porch or hall of columns surrounding the cella in an ancient Greek peripteros temple (see also 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).
Peristyle A continuous porch of columns surrounding a courtyard or garden (see also Peristasis). In ecclesial architecture, the term cloister is used.
Phiale A building or columned arcade around a fountain.
Piano nobile The principal floor of a large house, built in the style of renaissance architecture.
Pier An upright support for a superstructure, such as an arch or bridge.
Pilaster A flat, slightly projecting element that resembles a pillar or pier and is engaged in the face of a wall. Pilasters usually do not serve a structural purpose.
Planceer or Planchier A building element sometimes used in the same sense as a soffit, but more correctly applied to the soffit of the corona in a cornice.
Plate girder 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.
Plinth 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.
Poppyheads 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.
Portcullis A heavy wooden or metallic grid vertically-sliding down and thus blocking the main gateway of a medieval castle or fortification.
Porte-cochère 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.
Portico A series of columns or arches in front of a building, generally as a covered walkway.
Prick post An old architectural name given sometimes to the queen posts of a roof, and sometimes to the filling in quarters in framing.
Prostyle Freestanding 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.
Pseudodipteral A temple similar to a 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.
Pteroma In Classical architecture, the enclosed space of a portico, peristyle, or stoa, generally behind a screen of columns.
Pycnostyle A term given by Vitruvius to the intercolumniation between the columns of a temple, when this was equal to one and a half diameters.
== Q ==
Quadriporticus Also known as a quadriportico, a four-sided portico. The closest modern parallel would be a colonnaded quadrangle.
Quirk A small recess, often V-shaped, at the edge of a moulding.
Quoin The cornerstones of brick or stone walls. Quoins are also common in some brickwork corners that are alternately recessed and expressed.
== R ==
Rake 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.
Rear vault A 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.
Ressaut A projection in an entablature
Return 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.
Revolving door 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.
Rib vault The intersection of two or three barrel vaults.
Ridge board 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.
Roof comb 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).
Rotunda A large and high circular hall or room in a building, usually but not always, surmounted by a dome.
== S ==
Sash 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).
Screens passage The passage at one end of the Great hall of an English medieval house or castle, and separated from it by the spere.
Scroll 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.
Shiki-i In Japanese architecture, the lower rail, made from wood, to which shoji or fusuma are attached.