co·​arc·​ta·​tion | \ (ˌ)kō-ˌärk-ˈtā-shən How to pronounce coarctation (audio) \

Definition of coarctation

: a stricture or narrowing especially of a canal or vessel (such as the aorta)

Examples of coarctation in a Sentence

Recent Examples on the Web In a statement posted to Twitter, Johnson — a three-star prospect from Phoenix, Arizona, committed to the Wolverines' 2020 class — wrote that he was born with a coarctation of his aorta. Orion Sang, Detroit Free Press, "Michigan football QB commit JD Johnson (heart) must retire, but scholarship still honored," 30 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coarctation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of coarctation

1545, in the meaning defined above

History and Etymology for coarctation

Latin coarctation-, coarctatio tightening, from coarctare, coartare to constrict, from co- + artare to fix firmly, from artus close, tight; akin to Latin artus joint — more at article

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Time Traveler for coarctation

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The first known use of coarctation was in 1545

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Cite this Entry

“Coarctation.” Dictionary, Merriam-Webster, Accessed 24 Feb. 2021.

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co·​arc·​ta·​tion | \ (ˌ)kō-ˌärk-ˈtā-shən How to pronounce coarctation (audio) \

Medical Definition of coarctation

: a stricture or narrowing especially of a canal or vessel (as the aorta)

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