- the area of a concert hall, theatre, school, etc, in which the audience sits
- US Canadian a building for public gatherings or meetings
WordReference Random House Learner's Dictionary of American English © 2026
au•di•to•ri•um /ˌɔdɪˈtɔriəm/USA pronunciation
n. [countable], pl. -to•ri•ums or, sometimes, -to•ri•a
WordReference Random House Unabridged Dictionary of American English © 2026- /-ˈtɔriə/.USA pronunciation
- Architecturethe space in a theater, school, or other public building for the audience:The school band performed in the auditorium.
- Architecturea building for public gatherings;
hall.
au•di•to•ri•um
(ô′di tôr′ē əm, -tōr′-),USA pronunciation n., pl. -to•ri•ums, -to•ri•a
-
(-tôr′ē ə, -tōr′-).USA pronunciation
- the space set apart for the audience in a theater, school, or other public building.
- a building for public gatherings;
hall.
- Latin: lecture hall; see auditor, -tory2
- 1720–30
Collins Concise English Dictionary © HarperCollins Publishers::
auditorium /ˌɔːdɪˈtɔːrɪəm/ n ( pl -toriums, -toria /-ˈtɔːrɪə/)
'auditorium' also found in these entries (note: many are not synonyms or translations):
apron stage
- auditory
- balcony
- blind spot
- circle
- dress circle
- house lights
- in
- pit
- proscenium
- safety curtain
- acoustics
- amphitheater
- assemble
- beam lights
- cafetorium
- civic center
- collapsible
- front
- hall
- house
- houselights
- hubbub
- live
- music hall
- occupancy
- overfull
- pack
- projection booth
- public-address system
- throw
- troop
- school
- sure
- switchboard