'Theater' definitions:

Definition of 'theater'

(from WordNet)
noun
A building where theatrical performances or motion-picture shows can be presented; "the house was full" [syn: theater, theatre, house]
noun
The art of writing and producing plays [syn: dramaturgy, dramatic art, dramatics, theater, theatre]
noun
A region in which active military operations are in progress; "the army was in the field awaiting action"; "he served in the Vietnam theater for three years" [syn: field, field of operations, theater, theater of operations, theatre, theatre of operations]

Definition of 'Theater'

From: GCIDE
  • Theater \The"a*ter\, Theatre \The"a*tre\, n. [F. th['e][^a]tre, L. theatrum, Gr. ?, fr. ? to see, view; cf. Skr. dhy[=a] to meditate, think. Cf. Theory.]
  • 1. An edifice in which dramatic performances or spectacles are exhibited for the amusement of spectators; anciently uncovered, except the stage, but in modern times roofed. [1913 Webster]
  • 2. Any room adapted to the exhibition of any performances before an assembly, as public lectures, scholastic exercises, anatomical demonstrations, surgical operations, etc. [1913 Webster]
  • 3. That which resembles a theater in form, use, or the like; a place rising by steps or gradations, like the seats of a theater. --Burns. [1913 Webster]
  • Shade above shade, a woody theater Of stateliest view. --Milton. [1913 Webster]
  • 4. A sphere or scheme of operation. [Obs.] [1913 Webster]
  • For if a man can be partaker of God's theater, he shall likewise be partaker of God's rest. --Bacon. [1913 Webster]
  • 5. A place or region where great events are enacted; as, the theater of war. [1913 Webster] Theatin

Synonyms of 'theater'

From: Moby Thesaurus