cathouse

noun2

1. •
   (US, slang) A brothel.

   • Do you know how he spent years watching the droopy chicks in cathouses, listening to his cellmates moaning low behind the bars […]? — 1946
2. •
   (rare) Any small house, structure or fold used to house a cat.

   • Alot^([sic]) of great work is being done all throughout blog land in terms of raising the money to build a cathouse for homeless kitties here at the daily dose. — 2012