| a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801–1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Capital: London. Abbreviation: U.K. |
Part of the official name of the British nation; the full name is the United Kingdom of Great Britain and Northern Ireland. It includes England, Scotland, Wales, and six counties of Ireland, ruled by the king or queen of England, and represented in the nation's parliament.