/ Dictionary / Index C coronary-care unit: Meaning and Definition of Find definitions for: cor'o•nar•y-care' u"nit Pronunciation: (kôr'u-ner"ē kâr', kor'-), [key] a specialized hospital unit for the early care and treatment of heart-attack patients. Abbr.: CCU Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coronary bypass coronary cushion 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