Panama and others

• Land mass connectors (Var.)
• Panama and Suez, e.g
• Cartographic connectors
• Strips on a map
• Canal settings, often
• Strips in geography class
• Panama and Suez, for two
• Necks of land
• Is the contracted motorway to provide narrow junctions?

Wiktionary Word definitions in Wiktionary
n. (plural of isthmus English)