noun \ˌ-də-ˈtr-ē-əm\

: a large room or building where people gather to watch a performance, hear a speech, etc.

: the part of a building (such as a theater) where an audience sits

plural au·di·to·riums or au·di·to·ria\-ē-ə\

Full Definition of AUDITORIUM

:  the part of a public building where an audience sits
:  a room, hall, or building used for public gatherings

Examples of AUDITORIUM

  1. <will hold the town meeting in the high school auditorium>


Latin, literally, lecture room
First Known Use: 1640

Other Architecture Terms

buttress, casita, cornice, fanlight, garret, lintel, parapet, pilaster, plinth


noun    (Concise Encyclopedia)

Portion of a theater or hall where an audience sits, as distinct from the stage. The auditorium originated in the theaters of ancient Greece, as a semicircular seating area cut into a hillside. Floor levels in a large auditorium may include stalls, private boxes, dress circle, balcony or upper circle, and gallery. A sloping floor and converging walls allow for a clear view of the stage and improve acoustics. The walls and ceilings of contemporary auditoriums usually conceal light, sound, and air-conditioning equipment.


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