/ Dictionary / Index S stem rot: Meaning and Definition of Find definitions for: stem' rot" Pronunciation: [key] — Plant Pathol. Plant Pathol. a symptom or phase of many diseases of plants, characterized by decay of the stem tissues. any disease so characterized. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stemmery stem rust Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language