cathouse

[kat-hous] /ˈkætˌhaʊs/
noun, plural cathouses
[kat-hou-ziz] /ˈkætˌhaʊ zɪz/ (Show IPA).
Slang.
1.
brothel; whorehouse.
Origin
1595-1605, for earlier sense of siege tower; 1930-35 for current sense; cat1 (in obsolete sense of harlot) + house
British Dictionary definitions for cathouse

cathouse

/ˈkætˌhaʊs/
noun
1.
(US & Canadian) a slang word for brothel
Slang definitions & phrases for cathouse

cathouse

noun
  1. A cheap lodging house; flophouse (1915+ Hoboes)
  2. A brothel: New Orleans was proud and ashamed of its cathouses (1890s+)

[second sense fr earlier cat, ''prostitute, vulva'']