/ Dictionary / Index B brown sauce: Meaning and Definition of Find definitions for: brown' sauce" Pronunciation: [key] a simple sauce made from reduced meat stock; espagnole. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. brown rot brownshirt 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