Shortened form of the United Kingdom of Great Britain. (1707-1801) Abbreviation: GB
large island off the western European continent on which are located the countries of England Scotland and Wales; United Kingdom of Great Britain and Northern Ireland, constitutional monarchy comprised of Great Britain and Northern Ireland
Great Britain is the island consisting of England, Scotland, and Wales, which together with Northern Ireland makes up the United Kingdom. = GB. another name for the United Kingdom. or Britain Island, western Europe. It is the largest island in Europe, comprising England, Scotland, and Wales and covering 88,787 sq mi (229,957 sq km). With Northern Ireland, it constitutes the United Kingdom of Great Britain and Northern Ireland. Less formally, the names Great Britain and Britain are used to refer to the entire United Kingdom