/ Dictionary / Index M ménage à trois: Meaning and Definition of Find definitions for: mé•nage à trois Pronunciation: (mā-näzh' ä trwä' Fr. mā-nazh a trwä'), [key] a domestic arrangement in which three people having sexual relations occupy the same household. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ménage menagerie Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language