/ Dictionary / Index B bread mold: Meaning and Definition of Find definitions for: bread' mold" Pronunciation: [key] any fungus of the family Mucoraceae, esp. Rhizopus nigricans, that forms a black, furry coating on foodstuffs. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bread line breadnut 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