Glossary of Architectural Terms


Below you find a list of common architectural terms, sorted alphabetically.
Note this is a work in progress, more terms will be added soon.

arcade

arcade

A series of arches supported by columns or piers, either attached to a wall or freestanding.

Examples:
   - Plaza Mayor, Madrid
   - Place des Vosges, Paris
balustrade

balustrade

A railing with supporting balusters (small closely spaced posts).

Example:
   - Bourla Theater, Antwerp
campanile

campanile

A freestanding bell tower, usually near a church.

Examples:
   - Campanile di San Marco, Venice
   - Houses of Parliament Clock Tower, London
cantilever

cantilever

A beam or other projection that is unsupported at one end.

Example:
   - Falling Water, Mill Run
capital

capital

The top part of a column or pillar.
composite order

composite order

Very similar to the Corinthian order, but here ionic volutes are added to the capital.

Examples:
   - Pantheon, Rome
   - US Capitol, Washington DC
copula

copula

A small, domed structure on top of a roof.

Examples:
   - Massachusetts State House, Boston
   - St. Peter's Basilica, Rome
corbie gable

corbie gable

A gable with a series of steplike projections.
corinthian order

corinthian order

The most ornate of the classical Greek orders, characterized by a fluted column and a capital decorated with acanthus leaves.

Examples:
   - Pantheon, Rome
   - US Capitol, Washington DC
cornice

cornice

A molding or ornamentation that projects from the top of a building.
crenelation

crenelation

A wall at the top of a fortified building with regular gaps allowing defenders to shoot from. Also known as battlement.

Example:
   - Steen, Antwerp
curtain wall

curtain wall

A nonstructural exterior wall, usually of glass and steel.

Examples:
   - Lever House, New York City
   - UN Secretariat, New York City
dome

dome

A vaulted structure with an elliptical plan, usually a cross-section of a sphere, used to distribute an equal thrust in all directions.

Examples:
   - US Capitol, Washington DC
   - St. Peter's Basilica, Rome
doric order

doric order

The oldest of the five classical orders, characterized by a fluted column with no base and a plain capital.

Example:
   - Lincoln Memorial, Washington DC
dormer

dormer

A window in a small, often gabled structure set vertically on a sloping roof, allowing light to enter the attic.

Example:
   - Palacio de Santa Cruz, Madrid
exedra

exedra

Semicircular, often domed recess.

Example:
   - Trajan's Markets, Rome
fanlight

fanlight

A semicircular window, usually located above a door.
finial

finial

A sculptured ornament fixed to the top of a peak, arch, gable or similar structure.
flemish bond

flemish bond

A brickwork bond with alernating headers (short side) and stretchers (long side) in each course (row).
frieze

frieze

The horizontal part of a classical entablure just below the cornice, often decorated with carvings.

Examples:
   - Pantheon, Rome
   - Jefferson Memorial, Washington DC
gable

gable

The triangular section of a wall on the side of a building with a double-pitched roof.
gargoyle

gargoyle

A grotesquely carved figure that serves as a spout to carry water from a gutter away from the building.

Examples:
   - Notre-Dame, Paris
   - Sacré-Coeur, Paris
ionic order

ionic order

One of the classical orders characterized by a fluted column, a molded base and a capital decorated with volutes.

Example:
   - Palais Garnier, Paris
keystone

keystone

The central wedge-shaped stone at the crown of an arch that locks all parts together.

Examples:
   - Arc de Triomf, Barcelona
   - Arch of Titus, Rome
mausoleum

mausoleum

A building constructed as a burial chamber for a deceased person or persons.

Examples:
   - Mausoleum of Augustus, Rome
   - Taj Mahal, Agra
   - Grant's Tomb
mudéjar architecture

mudéjar architecture

A style of Spanish architecture employed by Muslims after the Christian reconquest. Characterized by a fusion of Islamic with Gothic and Romanesque elements.

Example:
   - Arc de Triomf, Barcelona
oriel

oriel

A projecting bay window on an upper floor.
pediment

pediment

A wide, low-pitched gable, often surmounting a colonnade.

Examples:
   - Pantheon, Rome
   - Palais Bourbon, Paris
pilaster

pilaster

A rectangular column with a base, shaft and capital projecting from a wall as an ornamental motif.

Example:
   - City Hall, Philadelphia
portico

portico

A roofed porch usually supported by columns, often leading to the entrance of the building.

Examples:
   - White House, Washington
   - Pantheon, Rome
quatrefoil

quatrefoil

A decorative element shaped in the form of four leaves.

Examples:
   - Ca' d'Oro, Venice
   - Notre Dame, Paris
reinforced concrete

reinforced concrete

Concrete containing steel rods or metal netting to increase its tensile strength.
richardsonian romanesque

richardsonian romanesque

A Romanesque revival style named after the American 19th century architect H.H. Richardson. Characterised by heavy arches and masonry walls.

Examples:
   - Trinity Church, Boston
   - Ontario Legislative Building, Toronto
rose window

rose window

A circular window, usually found in churches and symmetrically decorated with stained glass.

Examples:
   - Notre-Dame, Paris
   - National Cathedral, Washington, DC
rotunda

rotunda

A circular room, often with a dome.

Examples:
   - National Gallery of Art, Washington DC
   - Palace of Fine Arts, San Francisco
steeple

steeple

A tall ornamental structure, usually surmounting a tower and ending in a spire.

Example:
   - Independence Hall, Philadelphia
turret

turret

A small tower projected on a building.

Examples:
   - Old Town Hall, Munich
   - Powder Tower, Prague
tuscan order

tuscan order

A classical order characterized by an unfluted column and a plain base and capital.

Example:
   - Union Station, Chicago
vault

vault

An arched structure of stone, brick or reinforced concred forming a ceiling or roof over a wholly or partially enclosed space.

Examples:
   - Friedrichswerdersche Kirche, Berlin
   - Grand Central Terminal, New York City
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