isthmus
TGN:21478
submarine isthmus
Geonames:T.ISTH
EcoLexicon:isthmus
neck
Narrow section of land in a body of water connecting two larger land areas.
TGN:21473
envoPolar
FTT:892
https://en.wikipedia.org/wiki/Isthmus
SWEETRealm:Isthmus
land bridge
surface landform