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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Key Takeaways Obstructive sleep apnea (OSA) is linked to higher rates of heart disease, including coronary artery disease (a precursor to heart attacks), arrhythmias (abnormal heart rhythms), and heart failure. Valerie Cacho, Verywell Health, 26 Feb. 2026 Today, clinicians have access to better tools to identify subclinical disease, including certain blood biomarkers found in lab tests and additional diagnostic imaging, such as coronary artery calcium scoring, that can detect subtle heart disease and inflammation long before symptoms appear. Jia Shen, San Diego Union-Tribune, 25 Feb. 2026 In another example cited in the forecast, men tend to have the kind of heart failure following blockages in the coronary artery that mean their hearts can’t pump blood as well. Elizabeth Cooney, STAT, 25 Feb. 2026 Coronary heart disease, also known as coronary artery disease, is currently the most common form of heart disease in the United States in both women and men, according to the National Institute of Health. Mary Walrath-Holdridge, USA Today, 25 Feb. 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 13 Mar. 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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