- Jack,1876–1916, U.S. short-story writer and novelist.
- a metropolis in SE England, on the Thames: capital of the United Kingdom.
- City of, an old city in the central part of the former county of London: the ancient nucleus of the modern metropolis. 1 sq. mi. (3 sq. km).
- County of, a former administrative county comprising the City of London and 28 metropolitan boroughs, now part of Greater London.
- Greater. Also Greater London Council. an urban area comprising the city of London and 32 metropolitan boroughs. 609 sq. mi. (1575 sq. km).
- a city in S Ontario, in SE Canada.
- See London (def. 2)
- the capital of the United Kingdom, a port in S England on the River Thames near its estuary on the North Sea: consists of the City (the financial quarter), the West End (the entertainment and major shopping centre), the East End (the industrial and former dock area), and extensive suburbsLatin name: Londinium See also City
- Greater London the administrative area of London, consisting of the City of London and 32 boroughs (13 Inner London boroughs and 19 Outer London boroughs): formed in 1965 from the City, parts of Surrey, Kent, Essex, and Hertfordshire, and almost all of Middlesex, and abolished for administrative purposes in 1996: a Mayor of London and a new London Assembly took office in 2000. Pop: 7 387 900 (2003 est). Area: 1579 sq km (610 sq miles)
- a city in SE Canada, in SE Ontario on the Thames River: University of Western Ontario (1878). Pop: 337 318 (2001)
- it's London to a brick Australian and NZ slang it is certain
- Jack, full name John Griffith London. 1876–1916, US novelist, short-story writer, and adventurer. His works include Call of the Wild (1903), The Sea Wolf (1904), The Iron Heel (1907), and the semiautobiographical John Barleycorn (1913)
chief city and capital of England, Latin Londinium (c.115), often explained as "place belonging to a man named Londinos," a supposed Celtic personal name meaning "the wild one," "but this etymology is rejected in an emphatic footnote in Jackson 1953 (p.308), and we have as yet nothing to put in its place" [Margaret Gelling, "Signposts to the Past: Place-Names and the History of England," Chichester, 1978]. London Bridge the children's singing game is attested from 1827. London broil "large flank steak broiled then cut in thin slices" attested by 1939, American English; London fog first attested 1830.