George IV
noun
1762–1830,
king of England 1820–30 (son of George III).
British Dictionary definitions for george iv
George IV
noun
1762–1830, king of Great Britain and Ireland and also of Hanover (1820–30); regent (1811–20). His father (George III) disapproved of his profligate ways, which undermined the prestige of the crown, and of his association with the Whig opposition