- a building designed for the performance of plays, operas, etc
- a large room or hall, usually with a raised platform and tiered seats for an audience, used for lectures, film shows, etc
- Also called: operating theatre a room in a hospital or other medical centre equipped for surgical operations
- plays regarded collectively as a form of art
- the theatre ⇒ the world of actors, theatrical companies, etc
- a setting for dramatic or important events
- writing that is suitable for dramatic presentation: a good piece of theatre
- US Austral NZ
the usual word for cinema
- a major area of military activity
- a circular or semicircular open-air building with tiers of seats
WordReference Random House Unabridged Dictionary of American English © 2015
- Show Business[countable] a building or an outdoor area for plays or motion-picture shows.
- [countable] a room with rows of seats, used for lectures, etc.
- the theater, drama as a branch of art, esp. as a profession.
- a particular type, style, or category of this art:Elizabethan theater.
- Show Business[uncountable] the quality of dramatic performance:The play is good theater.
- [countable] an area of activity, esp. where military operations are under way:the Pacific theater.