- one of the Windward Islands, in the E West Indies.
- an independent country comprising this island: a former British colony; gained independence 1979. 238 sq. mi. (616 sq. km). Capital: Castries.
noun usually abbreviated to: St Lucia
- an island state in the Caribbean, in the Windward Islands group of the Lesser Antilles: a volcanic island; gained self-government in 1967 as a British Associated State; attained full independence within the Commonwealth in 1979. Official language: English. Religion: Roman Catholic majority. Currency: E Caribbean dollar. Capital: Castries. Pop: 162 781 (2013 est). Area: 616 sq km (238 sq miles)