/ Dictionary / Index C cathouse: Meaning and Definition of Find definitions for: cat•house Pronunciation: (kat'hous"), [key] — pl. -hous•es brothel; whorehouse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cathouse (Thesaurus) catholicus Cathy Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language