/ Dictionary / Index B bacterial canker: Meaning and Definition of Find definitions for: bacte'rial can'ker Pronunciation: [key] — Plant Pathol. Plant Pathol. a disease of plants, characterized by cankers and usually by exudation of gum, caused by bacteria, as of the genera Pseudomonas and Corynebacterium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bacteria bacterial endocarditis Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language