/ Dictionary / Index C coronary artery: Meaning and Definition of Find definitions for: cor'onary ar'tery Pronunciation: [key] — Anat. Anat. either of two arteries that originate in the aorta and supply the heart muscle with blood. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coronary coronary bypass Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language