Meaning of isthmus
Pronunciation: (is'mus), [key]
— pl. -mus•es, -mi
- a narrow strip of land, bordered on both sides by water, connecting two larger bodies of land.
- a connecting, usually narrow, part, organ, or passage, esp. when joining structures or cavities larger than itself.
- the narrow fleshy area between the sides of the lower jaw of a fish.
- isthmus (Thesaurus)