/ Dictionary / Index B beurre blanc: Meaning and Definition of Find definitions for: beurre blanc Pronunciation: (bûr' blängk' Fr. bœr blän'), [key] — French Cookery. French Cookery. a reduction sauce of wine vinegar and shallots, cooked with butter and beaten until thick and foamy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Beulah beurre fondu Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language