/ Dictionary / Index B brioche: Meaning and Definition of Find definitions for: bri•oche Pronunciation: (brē'ōsh, -osh Fr. brē&sylpôsh'), [key] — pl. -och•es a light, sweet bun or roll made &hasp;with &hasp;eggs, yeast, and butter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: brioche (Thesaurus) brio briolette Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language