Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun isthmus

2 senses of isthmus

Sense 1
isthmus -- (a relatively narrow strip of land (with water on both sides) connecting two larger land areas)
       => land, dry land, earth, ground, solid ground, terra firma -- (the solid part of the earth's surface; "the plane turned away from the sea and moved back over land"; "the earth shook for several minutes"; "he dropped the logs on the ground")

Sense 2
isthmus, band -- (a cord-like tissue connecting two larger parts of an anatomical structure)
       => tissue -- (part of an organism consisting of an aggregate of cells having a similar structure and function)