/ Dictionary / Index B bacterial endocarditis: Meaning and Definition of Find definitions for: bacte'rial endocardi'tis Pronunciation: [key] — Pathol. Pathol. a bacterial infection of the inner lining of the heart, most often of the heart valves, characterized by fever, enlarged spleen, and heart murmur. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bacterial canker bactericide Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language