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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An autopsy report obtained by PEOPLE in December 2023 revealed the actor died from acute effects of ketamine, with contributing factors including drowning, coronary artery disease and the effects of buprenorphine (a medication used to treat opioid use disorder). Grace Gavilanes, PEOPLE, 18 June 2026 Over the course of about 15 years, investigators tracked major cardiovascular situations, including heart attack, stroke, coronary artery bypass surgery, and other coronary interventions. Tom Gavin, EverydayHealth.com, 18 June 2026 Tucker died of coronary artery disease, which doctors at the hospital said was probably unrelated to her transplant. Kori Rumore, Chicago Tribune, 17 June 2026 The early trial included 35 adults with premature coronary artery disease (CAD). Fran Kritz, Verywell Health, 17 June 2026 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 23 Jun. 2026.

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

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