—adj. 1. of or pertaining to the human heart, with respect to health.
2. Med. a. pertaining to the arteries that supply the heart tissues and originate in the root of the aorta.
b. encircling like a crown, as certain blood vessels.
3. of or like a crown.
—n. 1. Pathol.a heart attack, esp. a coronary thrombosis.
2. a coronary artery.