/ Dictionary / Index C coronary insufficiency: Meaning and Definition of Find definitions for: cor'onary insuffi'ciency Pronunciation: [key] — Pathol. Pathol. inadequate blood flow to the heart muscle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coronary cushion coronary occlusion Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language