/ Dictionary / Index L London: Meaning and Definition of Find definitions for: Lon•don Pronunciation: (lun'dun), [key] — n. 1876–1916, U.S. short-story writer and novelist. a metropolis in SE England, on the Thames: capital of the United Kingdom. an old city in the central part of the former county of London: the ancient nucleus of the modern metropolis. 5400; 1 sq. mi. (3 sq. km). a former administrative county comprising the City of London and 28 metropolitan boroughs, now part of Greater London. an urban area comprising the city of London and 32 metropolitan boroughs. 7,111,500; 609 sq. mi. (1575 sq. km). a city in S Ontario, in SE Canada. 240,392. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: london (Thesaurus) Lond. London broil Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language