/ Dictionary / Index S stem canker: Meaning and Definition of Find definitions for: stem' can"ker Pronunciation: [key] — Plant Pathol. Plant Pathol. a disease of plants characterized by cankers on the stems and twigs and caused by any of several fungi. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stem cabbage stem cell 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