Black Sea

American  

[blak see] / ˈblæk ˈsi /

noun

1. a sea between Europe and Asia, bordered by Turkey, Romania, Bulgaria, Ukraine, Georgia, and the Russian Federation. 164,000 sq. mi. (424,760 sq. km).

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Black Sea British  

noun

1. Ancient names: Pontus Euxinus.   Euxine Sea.  an inland sea between SE Europe and Asia: connected to the Aegean Sea by the Bosporus, the Sea of Marmara, and the Dardanelles, and to the Sea of Azov by the Kerch Strait. Area: about 415 000 sq km (160 000 sq miles)

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Black Sea Cultural  

1. Sea between Europe and Asia, bordered on the north by Moldova and Ukraine, on the northeast by Russia, on the east by Georgia, on the south by Turkey, and on the west by Bulgaria and Romania. It receives many great rivers, including the Danube, the Dnieper, and by way of the Sea of Azov, the Don.

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Discover More

It is a popular resort area for Russians and eastern Europeans.

Example Sentences

Physical chokepoints include waterways such as the Strait of Hormuz or the Bosporus and Dardanelles, which connect the Mediterranean to the Black Sea, and thus Russian and Ukrainian grain exports.

From The Wall Street Journal • Apr. 12, 2026

Differences in geography and the sides’ military capabilities mean that not all lessons can be translated from the Black Sea to the Strait of Hormuz.

From The Wall Street Journal • Apr. 7, 2026

However, nearly all of such strikes have been in the Black Sea, which Russia and Ukraine both share.

From BBC • Mar. 4, 2026

The main gateway to the Black Sea and beyond, Odesa is a key logistics hub for Ukraine, one of the world's top agricultural exporters.

From Barron's • Feb. 27, 2026

The Americans had bases all over Western Europe—and now there was a new one, right across the Black Sea in Turkey.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin