/ Dictionary / Index B botrytis: Meaning and Definition of Find definitions for: bo•try•tis Pronunciation: (bō-trī'tis), [key] — n. any imperfect fungus of the genus Botrytis, having the conidia in grapelike bunches: a major cause of plant disease. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. botryose botrytis rot Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language