/ Dictionary / Index C coronary occlusion: Meaning and Definition of Find definitions for: cor'onary occlu'sion Pronunciation: [key] — Pathol. Pathol. partial or total obstruction of a coronary artery, as by a thrombus, usually resulting in infarction of the myocardium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coronary insufficiency coronary sinus 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