/ Dictionary / Index B botrytis rot: Meaning and Definition of Find definitions for: botry'tis rot" Pronunciation: [key] — Plant Pathol. Plant Pathol. a disease of many plants caused by fungi of the genus Botrytis, characterized by leaf blight, a tan-gray moldlike surface growth, and the rotting of stems and storage organs. Cf. noble rot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. botrytis bots 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