theater

noun

• a building or outdoor area in which plays and other dramatic performances are given.
• (often the theater) the activity or profession of acting in, producing, directing, or writing plays:what made you want to go into the theater?
• a play or other activity or presentation considered in terms of its dramatic quality:this is intense, moving, and inspiring theater
• chiefly North American & West Indian a movie theater.
• a room or hall for lectures, etc., with seats in tiers.
• the area in which something happens:a new theater of war has been opened up
• [as modifier] denoting weapons for use in a particular region between tactical and strategic:he was working on theater defense missiles