noun, masculine
- countable theater (a place or building, consisting of a stage and seating, in which an audience gathers to watch plays, musical performances, public ceremonies, and so on)
- theater; drama (drama or performance as a profession or art form)
- theater (a region where a particular action takes place; a specific field of action, usually with reference to war)
- theatrics; drama; melodrama (exaggerated reaction to life events)
- US movie theater; cinema