/ Dictionary / Index B brown rot: Meaning and Definition of Find definitions for: brown' rot' Pronunciation: [key] — Plant Pathol. Plant Pathol. any plant disease, esp. of apples, peaches, plums, and cherries, characterized by browning and decay of tissues, caused by various fungi and bacteria. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. brown rice brown sauce 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