/ Dictionary / Index A à trois*: Meaning and Definition of Find definitions for: à trois Pronunciation: (a trwä'), [key] — French. French. for, among, or composed of three persons collectively (usually used following the word it modifies):à trois. a secret shared Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. atrocity Atropatene Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language