cathouse 🔊 Listen to this < /ˈkætˌhaʊ zɪz/. Slang. a brothel; whorehouse. noun US and Canadian a slang word for brothel Oklahoma trial set in death of ‘Cathouse’ HBO star, 3 others Club GM calls time after two decades | Scottish Licensed Trade News Cathouse: The Series (2005-) HBO’s Cathouse – Sandee Pawan Cathouse: The Series (2005-) Share Facebook Twitter Google +