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isthmus

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noun isth·mus \ˈis-məs\

Simple Definition of isthmus

  • : a narrow area of land that connects two larger land areas

Source: Merriam-Webster's Learner's Dictionary

Full Definition of isthmus

  1. 1 :  a narrow strip of land connecting two larger land areas

  2. 2 :  a narrow anatomical part or passage connecting two larger structures or cavities

Origin and Etymology of isthmus

Latin, from Greek isthmos


First Known Use: 1555


ISTHMUS Defined for Kids

isthmus

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noun isth·mus \ˈi-sməs\

Definition of isthmus for Students

  1. :  a narrow strip of land separating two bodies of water and connecting two larger areas of land




Medical Dictionary

isthmus

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noun isth·mus \ˈis-məs\

Medical Definition of isthmus

  1. :  a contracted anatomical part or passage connecting two larger structures or cavities: asa:  an embryonic constriction separating the midbrain from the hindbrainb:  the lower portion of the uterine corpus




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