The Collaborative International Dictionary of English v.0.48:
bathhouse \bathhouse\ n. 1. a building containing dressing rooms for bathers. Syn: bathing machine. [WordNet 1.5] 2. a building containing public baths. Syn: bagnio. [WordNet 1.5]WordNet (r) 3.0 (2006):
bathhouse n 1: a building containing dressing rooms for bathers [syn: bathhouse, bathing machine] 2: a building containing public baths [syn: bathhouse, bagnio]