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coarctation

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coarctation

Main Entry:: co·arc·ta·tion
Pronunciation:: \(ˌ)kō-ˌärk-ˈtā-shən\
Function:: noun
Etymology:: 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
Date:: 1545

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

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