Diomede Islands

[ dahy-uh-meed ]
/ ˈdaɪ əˌmid /

plural noun

two islands in Bering Strait, one belonging to the Russian Federation (Big Diomede), about 15 sq. mi. (39 sq. km), and one belonging to the U.S. (Little Diomede), about 4 sq. mi. (10 sq. km): separated by the International Date Line.

British Dictionary definitions for diomede islands

Diomede Islands
/ (ˈdaɪəˌmiːd) /

pl n

two small islands in the Bering Strait, separated by the international date line and by the boundary line between the US and Russia