isthmus
[ is-muh s ]
/ ˈɪs məs /
noun, plural isth·mus·es, isth·mi [is-mahy] /ˈɪs maɪ/.
a narrow strip of land, bordered on both sides by water, connecting two larger bodies of land.
Anatomy, Zoology.
a connecting, usually narrow, part, organ, or passage, especially when joining structures or cavities larger than itself.
Ichthyology.
the narrow fleshy area between the sides of the lower jaw of a fish.
Origin of isthmus
1545–55; < Latin < Greek
isthmós neck (of land)
OTHER WORDS FROM isthmus
isth·moid, adjectiveWords nearby isthmus
Example sentences from the Web for isthmus
British Dictionary definitions for isthmus
isthmus
/ (ˈɪsməs) /
noun plural -muses or -mi (-maɪ)
a narrow strip of land connecting two relatively large land areas
anatomy
- a narrow band of tissue connecting two larger parts of a structure
- a narrow passage connecting two cavities
Derived forms of isthmus
isthmoid, adjectiveWord Origin for isthmus
C16: from Latin, from Greek
isthmos
Medical definitions for isthmus
isthmus
[ ĭs′məs ]
n. pl. isth•mus•es
A constriction or narrow passage connecting two larger parts of an organ or other anatomical structure.
Scientific definitions for isthmus
isthmus
[ ĭs′məs ]
Plural isthmuses isthmi (ĭs′mī′)
A narrow strip of land connecting two larger masses of land.
Cultural definitions for isthmus
isthmus
[ (is-muhs) ]
A narrow strip of land that connects two larger bodies of land and has water on both sides.