Meaning of “theatre” - Learner’s Dictionary

theatre

noun UK US theater us uk /ˈθɪətər/
Extra Examples
I took the liberty of booking theatre seats for us.Your seats are towards the back of the theatre.He was writer in residence with a professional theatre company.Are there any places left on the theatre trip?A huge crowd was milling around the entrance to the theatre.
BUILDING WITH STAGE [ C ]

A2 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

(Definition of “theatre” from the Cambridge Learner’s Dictionary © Cambridge University Press)