English definition of “theatre”
theatre UK (US theater)
BUILDING WITH STAGE [C] › a building with a stage where people go to watch plays: the Arts Theatre
BUILDING FOR FILMS [C] US › a building where people go to watch films: a movie theater
WORK [U] › the work of writing, acting in, and producing plays: I want to work in theatre.
MEDICAL [C, U] UK › a room in a hospital where doctors do operations