theater
/ˈθiːətər/
Noun
theaterSingular
theatersPlural
1
A building or outdoor area where plays, movies, or other dramatic performances are presented to an audience.
We went to the theater to see a new play.
2
The art or profession of writing, acting in, or producing plays and dramatic performances.
She studied theater at university and became a professional actress.
3
A room or hall with seats arranged in tiers, used for lectures, demonstrations, or surgical operations.
The medical students observed the surgery in the operating theater.
4
A region or area in which military operations take place.
The general was responsible for all operations in the Pacific theater.