/ Dictionary / Index G Grand Marnier: Meaning and Definition of Find definitions for: Grand Mar•nier Pronunciation: (grän' mär-nyā' Fr. grän mar-nyā'), [key] — Trademark. Trademark. a brand of French liqueur having a brandy base and an orange flavor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grand march grand master Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language