A country of western Europe comprising England, Scotland, Wales, and Northern Ireland. Beginning with the kingdom of England, it was created by three acts of union: with Wales (1536), Scotland (1707), and Ireland (1800). At the height of its power in the 19th century it ruled an empire that spanned the globe. London is the capital and the largest city. Population: 60,800,000.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.