Definition of "Whig"

(UK politics) A member of an 18th- and 19th-century political party in Britain that was opposed to the Tories, and eventually became the Liberal Party.  examples

(UK politics) A member (especially a politician) of the former Liberal Party or its successor, the Liberal Democrats.  examples

(US politics) An advocate of war against Britain during the American Revolution.  examples

(US politics) A member of a 19th-century US political party opposed to the Democratic Party.  examples