two small islands in the Bering Strait, separated by the international date line and by the boundary line between the US and Russia
Diomede Islands in American English
(ˈdaɪəˌmɛd)
two islands in the Bering Strait, between Siberia & Alaska; Big Diomede, Russia (Russ. name Ratmanov) & Little Diomede, U.S.: U.S.-Russia boundary passes between them
Word origin
so named by Bering, who discovered them (1728) on St. Diomede's Day (August 16)