theater
the.ater or the.atre \'the--*t-*r, 'thi-\ n [ME theatre, fr. MF, fr. L theatrum, fr. Gk theatron, fr. ]theasthai to view, fr. thea act of seeing; akin to Gk thauma miracle 1a: an outdoor structure for dramatic performances or spectacles in ancient Greece and Rome 1b: a building for dramatic performances 1c: a building or area for showing motion pictures 2a: a place rising by steps or gradations 2b: a room often with rising tiers of seats for lectures, surgical demonstr ations, or other assemblies 3: a place of enactment of significant events or action 4a: dramatic literature or performance 4b: dramatic effectiveness
Webster's English Dictionary