The Collaborative International Dictionary of English v.0.48:

Bawdyhouse \Baw"dy*house`\, n.
   A house of prostitution; a house of ill fame; a brothel.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bawdyhouse
    n 1: a building where prostitutes are available [syn:
         whorehouse, brothel, bordello, bagnio, house of
         prostitution, house of ill repute, bawdyhouse,
         cathouse, sporting house]