Definition of coronary

• a. - Of or pertaining to a crown; forming, or adapted to form, a crown or garland.
• a. - Resembling, or situated like, a crown or circlet; as, the coronary arteries and veins of the heart.
• n. - A small bone in the foot of a horse.
• n. - Informal shortening of coronary thrombosis, also used generally to mean heart attack.