theatre in WordNet English dictionary

1. the art of writing and producing plays
   dramaturgy  dramatic art  dramatics  theater  theatre 
   
2. 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"
   field  field of operations  theater  theater of operations  theatre  theatre of operations 
   
3. a building where theatrical performances or motion-picture shows can be presented
   "the house was full"
   theater  theatre  house