/ Dictionary / Index C carditis: Meaning and Definition of Find definitions for: car•di•tis Pronunciation: (kär-dī'tis), [key] — n. Pathol. inflammation of the pericardium, myocardium, or endocardium, separately or in combination. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: carditis (Thesaurus) cardioversion -cardium Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language