Question

what is the meaning of isthums​

Answer 1

a narrow strip of land with sea on either side, forming a link between two larger areas of land.

Answer 2

a narrow piece of land, with water on each side, that joins two larger pieces of land

or

noun, plural isth·mus·es, isth·mi [is-mahy]. 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.