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
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Other higher-risk groups include those with congenital heart defects or disorders, structural heart problems, or a history of coronary artery disease or heart failure. Melissa Rudy, FOXNews.com, 20 Oct. 2025 Heart disease is a broad term that encompasses all the disorders that affect the heart’s function and structure, from coronary artery disease (CAD) to congenital heart disease (CHD) to arrhythmias, according to the National Heart, Lung and Blood Institute. Caroline C. Boyle, USA Today, 13 Oct. 2025 Named after the island’s Indigenous name, Rapa Nui, the drug rapamycin was initially developed as an immunosuppressant to prevent organ transplant rejection and to improve the efficacy of stents to treat coronary artery disease. Ted Powers, The Conversation, 29 Sep. 2025 May Help Protect Your Heart Cardiovascular disease (CVD) includes conditions such as stroke and coronary artery disease. Johna Burdeos, Health, 22 Sep. 2025 See All Example Sentences for coronary artery

Word History

First Known Use

1741, in the meaning defined above

Time Traveler
The first known use of coronary artery was in 1741

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Cite this Entry

“Coronary artery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coronary%20artery. Accessed 30 Oct. 2025.

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

More from Merriam-Webster on coronary artery

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