Any "Long narrow arm of the sea" would be called a FJORD.Hope that helps!
It means the same as in English, a narrow and long arm of the sea, but it can also mean a large lake in Norwegian.
Norway. Fjords meaning (in Scandinavian) a bay. In other words a long narrow arm of sea bordered by cliffs.
Arm (of the sea) or bay can be used to describe a narrow inlet, although a bay can be up to 24 nautical miles wide.
Black Sea arm for crossword puzzle is the Sea of Azov. Sea of Azov
Fjord
Gulf is a small arm of the sea with a narrow mouth and is almost surrounded by land.Examples of gulf:Gulf of MexicoGulf of Breeze, Florida
A fjord.
The Bosporus is a narrow, 20-mile long strait connecting the Mediterranean and Sea of Marmara to the Black Sea.
A long, narrow , deep inlet of the sea between hills or mountains
this is called the Adriatic Sea
A long, narrow, deep inlet of the sea between steep slopes
That would be a "fjord," which is a long, narrow sea inlet with steep sides or cliffs, typically formed by glacial erosion. In southern Ireland, these fjords are often a result of Ice Age glaciers shaping the landscape.