/ Dictionary / Index H housemate: Meaning and Definition of Find definitions for: house•mate Pronunciation: (hous'māt"), [key] — n. a person with whom one shares a house or other residence. a sexual partner with whom one shares a house or other living quarters without being married. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: housemate (Thesaurus) housemaster house moss Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language