Isthmus Definition
ĭsməs
isthmi, isthmuses
noun
isthmuses
A narrow strip of land having water at each side and connecting two larger bodies of land.
Webster's New World
A narrow strip of tissue connecting two larger parts of an organ.
The isthmus of the thyroid.
Webster's New World
A narrow passage between two larger cavities.
The isthmus of the fallopian tubes.
Webster's New World
Synonyms:
- band
- portage
- neck of land
- land-bridge
- land passage
Other Word Forms of Isthmus
Noun
Singular:
isthmus
Plural:
isthmi, isthmusesOrigin of Isthmus
-
Via Latin isthmus, from Ancient Greek ἰσθμός (isthmos, “neck”). Cognate to Old Norse eið (“isthmus”).
From Wiktionary
Latin from Greek isthmos
From American Heritage Dictionary of the English Language, 5th Edition
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