/ Dictionary / Index C cardiomegaly: Meaning and Definition of Find definitions for: car•di•o•meg•a•ly Pronunciation: (kär"dē-ō-meg'u-lē), [key] — n. Pathol. abnormal enlargement of the heart. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cardiomegaly (Thesaurus) cardiology cardiomyopathy Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language