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noun theater pronunciation in American English /ˈθiətər/ 
Word Forms
  1. 1
    [countable] a building, room, or outside area used for performing plays

    Abraham Lincoln was shot in Ford's Theater in 1865.

    an open-air theater

    go to the theater:

    We're going to the theater on Saturday.

  2. 2
    [uncountable] plays considered as a form of entertainment or art

    a compelling piece of theater

    the theater:

    I've always loved the theater.

  3. 3
    [uncountable] the activity of writing, performing, or organizing performances of plays

    Jenny wanted to pursue a career in the theater.

    a traveling theater company

    Synonyms and related words for this sense of theater
  4. 5
    [countable] an area where there is fighting during a war

    commander of the theater of operations



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