Black Sea arm for crossword puzzle is the Sea of Azov. Sea of Azov
azov
Arm. is the only LANDLOCKED country between the Black and Caspian sea
Ukraine's coastline lies entirely on the Black Sea in the south. Only the southwestern coast is on the Black Sea proper, however; the rest is on the Sea of Azov, an arm of the Black Sea that is formed by Ukraine's Crimean Peninsula. The Black Sea is an inland body of water that lies between the continents of Europe and Asia. It contains calm waters that are free of tides and dangerous marine life. Called the "Hospitable Sea" by the ancient Greeks, the Black Sea is only half as saline as the Mediterranean Sea and has gentle sandy slopes, making it ideal for swimming.
The Black SeaBlack sea
Black arm bands are usually worn on the left arm as a mark of respect for, or in mourning of a death.
The Danube River empties into the Black Sea.
The Red Sea
champlain sea
The arm of the Mediterranean Sea between Greece and Turkey is the Aegean Sea.
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Any "Long narrow arm of the sea" would be called a FJORD.Hope that helps!