coronary artery

noun

: either of two arteries that arise one from the left and one from the right side of the aorta immediately above the semilunar valves and supply the tissues of the heart itself

Examples of coronary artery in a Sentence

Recent Examples on the Web

The most severe kind of heart attack occurs when a coronary artery, which supplies blood to the heart, is completely blocked off. — Katie Palmer, STAT, 11 Sep. 2026

Previous research had shown a link between nighttime sleep while exposed to light and an elevated risk of coronary artery disease, heart attack, heart failure and stroke. — Barbara Mantel, NBC news, 10 Sep. 2026

People are increasingly looking to coronary artery calcium scans as a quick and painless way to learn more about their heart health risk—important information, considering heart disease is the leading cause of death in the United States. — Laura Bradley, HEALTH, 9 Sep. 2026

Coronary Artery Spasm — Also more common in women, coronary artery spasm is caused by an artery tightening, which cuts off oxygen and blood flowing into the heart muscle. — Helen Carefoot, Flow Space, 8 Sep. 2026

Word History

First Known Use

1741, in the meaning defined above

Kids Definition

coronary artery

noun

: either of the two arteries that arise from the aorta and supply the tissues of the heart

Medical Definition

coronary artery

noun

: either of two arteries that arise one from the left and one from the right side of the aorta immediately above the semilunar valves and supply the tissues of the heart itself