Cinema
Part of speech: noun
Definition: a film a movie theatre, a movie house film or movies as a group the film and movie industry the art of making films and movies
Theater
Part of speech: noun
Definition: A place or building, consisting of a stage and seating, in which an audience gathers to watch plays, musical performances, public ceremonies etc.A region where a particular action takes place; a specific field of action, usually with reference to war.A lecture theatre.An operating theatre or locale for human experimentation.A cinema, or picture theatre.Drama or performance as a profession or artform.