/ Dictionary / Index C crown rot: Meaning and Definition of Find definitions for: crown' rot" Pronunciation: [key] — Plant Pathol. Plant Pathol. a disease of plants, characterized by the rotting of the stem at ground level, caused by any of several fungi. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. crown roast crown rust Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language