Abbott-Smith Manual Greek Lexicon
θέατρον (G2302)
3 * θέατρον , -ον, τό ( θεάομαι ), a theatre (used also as a place of assembly): Ac 19:29 , 31 . Collective for οἱ θεαταί , the spectators . = θέα, θέαμα , a spectacle , show : metaph., I Co 4:9 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain