Dictionary of terms for Descriptions

The terms listed below should be used in your descriptions of the pictures and other writing assingments.  They will help enhance the quality of your writing.  This list is on-going, so check back often for new terms that have just been added.

Aesthetics: a general term to describe the way that a building or piece of art looks

Arch: a curved structure for spanning an opening, designed to support a vertical load.
          Keystone: a wedge shaped piece at the top of an arch.
          Archivolt: a decorative molding on the face of the arch which follows the curve.
          Spandrel: the triangular shaped space that is in between two adjoining arches.
          Funicular Arch: an arch that starts with the curve at ground level, rather than on top of straight (vertical) pieces.
          Abutment: the part of the structure that supports the arch.
          Pointed Arch: an arch that is pointed sharply at the top. 

Atrium: a skylight, central court in a building; especially a large interior space having a glass roof and surrounded by several stories.                  

Balcony: an elevated platform projecting from the wall of a building and enclosed by a railing or parapet. 

Beam: a structural member designed to carry loads horizontally across a space.
          Cantilever: a beam that is supported on only one side (one end is just hanging)
          Continuous beam: a beam that is supported on each side.

Building: a permanent enclosed structure constructed over a plot of land for habitable use.
          Shell: the exterior framework of a building
          Substructure: the part of the building that is underground.
          Superstructure: the part of the building that is above ground.
          Low-rise: a building with one, two, or three stories.
          Mid-Rise: a building with a moderate number of stories – up to 15.
          High-Rise: a Building with a large number of stories.
          Skyscraper: a building with exceptional height and many stories.

Building Entrances:
         Porch:
an exterior portion of a building forming a covered approach or a vestibule to a doorway.  Similar to a portico, but less grand in scale and decoration. 
          Portal:
a doorway, gate, or entrance, especially an imposing one with huge size and gecoration.
          Portico: a porch having a roof supported by columns, often leading to the entrance of a building. 
          Porte-cochere: a vehicular passageway leading through a building or wall into an interior courtyard or garage space.
          Stoop: a raised platform, approached by steps, and sometimes having a roof.  Usually just a recess in a wall to provide a small covered space for a doorway.

Building Accents:
          Arbor: a shelter of shrubs and branches  OR a physical latticework interwitned with climbing vines.  Typically wither rectangular or arched shaped.
          Lattice: a structure of crossed strips arranged to form a rectangular pattern of open spaces.
          Pergola: a structure of parallel colonnades supporting an open roof of beams and crossing rafters or trelliswork, over which climbing plants can be trained to grow.
          Trellis: a frame supporting open latticework, used as a screen or a support for growing vines or plants.  
         

Cable Structure: a stryctyrak system utilizing the cable as the pricnipal means of support.

Ceiling: the overhead interior surface of a room, often concealing the structure, floor, or roof above.
          Beam Ceiling: shows the supporting beams running across the room.
          Coffer Ceiling: shows a grid of supporting beams running both directions across the room.
          Drop Ceiling: a ceiling provided out of interchangable tiles.
          Vaulted Ceiling: a celing that is angled/sloped in one or two directions.
          Witch’s Hat: a term used to describe a ceiling which has many angles that all go up to a point.

Colonade: a series of reguarly spaced columns supporting an entablature and usually one side of a roof structure.

Column: a rigid structural member designed to support compressive loads.

Construction: the art, science, or business of building.
          Owner:
          Developer:
          Architect:
          Engineer:
          Consultant:
          Contractor:
          General Contractor:
          Sub-Contractor:

Design

Dome

Facade: the face of a building.

Fenestration: the design, proportioning, and disposition of windows and exterior openings.

Frame

Geometry

Glass

Joinery

Light

Load

Loft: a building having several floors with laarge areas of unobstructed space.

Masonry

Material

Measure

Membrane

Metal

Mezzanine: a low or partial stsory between two main stories of a building, especially when it projects out and forms a balcony.

Ornament

Rotunda: a round space, in a domed building or circular space in a building. 

Structure

Tectonics: the science or art of shaping, ornamenting, or assembling materials in construction.

Trellis: a frame supporting open latticework, used as a screen or a support for growing vines or plants. 

Truss

Vault

Wall

Window

Wood

Many of the definitions above are taken from “A Visual Dictionary of Architecture” by Francis Ching.