isthmus
US /ˈɪsθ.məs/
UK /ˈɪsθ.məs/
1.
a narrow strip of land with sea on either side, connecting two larger landmasses.
:
•
The Isthmus of Panama connects North and South America.
•
They plan to build a new road across the isthmus.
a narrow strip of land with sea on either side, connecting two larger landmasses.