isthmus

7 ENTRIES FOUND:

isth·mus

noun \ˈis-məs\

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

Full Definition of ISTHMUS

1
:  a narrow strip of land connecting two larger land areas
2
:  a narrow anatomical part or passage connecting two larger structures or cavities

Origin of ISTHMUS

Latin, from Greek isthmos
First Known Use: 1555

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

Rhymes with ISTHMUS

isth·mus

noun \ˈis-məs\   (Medical Dictionary)

Medical Definition of ISTHMUS

: a contracted anatomical part or passage connecting two larger structures or cavities: as a : an embryonic constriction separating the midbrain from the hindbrain b : the lower portion of the uterine corpus

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