an island of NW Europe, separated from the mainland by the English Channel and the North Sea: since 1707 the name has applied politically to England, Scotland, and Wales. 46,417,600; 88,139 sq. mi. (228,280 sq. km).
An island off the western coast of Europe comprising England, Scotland, and Wales. It is separated from the mainland by the English Channel and from Ireland by the Irish Sea.
