Extended Strong's Greek Lexicon (Abbott-Smith based)
theatre
Usage: θέατρον, -ον, τό (θεάομαι), __1. a theatre (used also as a place of assembly): Act.19:29, 31. __2. Collective for οἱ θεαταί, the spectators. __3. = θέα, θέαμα, a spectacle, show: metaphorically, 1Co.4:9.† (AS)