SAH Archipedia uses terms from the Getty Art and Architecture Thesaurus (AAT) to categorize and classify metadata for the entries in the database. For more information on the Getty AAT, click here.

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athletic fields
Expanses of generally level open space intended primarily for highly organized games and sports, often supplied with spectator seating and delimiting fences or walls. For buildings with tiers of seats surrounding such fields, use "stadiums."

atomic research centers (buildings)
Establishments used for studying atoms, including atomic physics, atomic weapons, or atomic energy.

atrium houses
Ancient Roman houses or similarly styled houses containing internal courtyards with impluvia but without colonnades; for houses with internal courtyards having colonnades, use "peristyle houses."

atriums (church courtyards)
Refers to the colonnaded forecourts of Early Christian churches.

atriums (interior spaces)
Refers to many-storied, skylit spaces in or between high-rise buildings, common since 1960.

attics (exterior stories)
Use to designate the exterior walled portions of buildings, above the uppermost cornice, whether fenestrated or not.

attics (interior spaces)
Enclosed spaces under sloping roofs, between the roof and the ceiling of the uppermost story, especially in houses, whether used for storage or habitation. For open platforms in houses set close to ceilings or for large spaces below the roofs of commercial buildings or warehouses, use "lofts (upper level floors)".

auction houses (buildings)
Buildings designed or used for public sales in which each bidder offers an increase upon the price offered by the preceding, the article put up being sold to the highest bidder.

auditoriums
Rooms or entire buildings designed for a variety of activities such as would occur on a stage before a seated audience; for rooms or buildings used only for theatrical performances, use "theaters;" for rooms with fixed seating designed for lectures, use "lecture halls."

Automats (TM)
Self-service restaurants where patrons insert coins to open small glass doors to retrieve individual items of food or drink.

automobile factories
No description is available for this term.

automobile manufacturers
Refers to people or corporate bodies who own or run manufacturing plants for making automobiles, which are self-propelled vehicles designed primarily to transport passengers over ordinary roads.

automobile racetracks
Tracks, usually oval in shape, designed or used primarily for the racing of automobiles; surfaces may be made of dirt, asphalt, brick, or another material.

automobile showrooms
Includes both places where automobiles are displayed and entire dealership complexes including the sales-and-service building and surrounding lot.

automotive museums (buildings)
Buildings housing museums that specialize in the history, objects, vehicles, and other materials associated with self-propelled vehicles designed primarily to transport passengers over ordinary roads.

autonomous communities
Designation given to certain communities within a nation that have a degree of independence, administer their own affairs, or are otherwise self-governing to some degree. The precise definition of "autonomous community" varies from nation to nation, and is typically assigned to the community by the nation, rather than being assigned by an outside body. Examples of autonomous communities are in Spain.

avenues
Wide, straight, usually tree-lined roads or approaches; for walkways in gardens or parks bordered by formally planted trees, use "allées."

aviaries
Relatively large enclosures or cages for confining live birds; distinguished from "birdhouses" which are smaller structures that house birds but do not confine them.

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