Isthmus Synonyms : Cervix, Collar, Nape
Isthmus Sentence: Harris and Lewis are two islands in Scotland which are joined by a narrow isthmus.
Under The Lens: Isthmus and Strait (photos of an isthmus and a strait)
An Isthmus lies between two bodies of water and connects two larger masses of land. A strait is the converse of isthmus. It lies between two land masses and connects two larger bodies of water.