District of Columbia

noun
1.
a federal area in the E United States, on the Potomac, coextensive with the federal capital, Washington. 69 sq. mi. (179 sq. km).
Abbreviation: DC (for use with zip code), D.C.
British Dictionary definitions for District of Columbia

District of Columbia

noun
1.
a federal district of the eastern US, coextensive with the federal capital, Washington. Pop: 564 326 (2003 est). Area: 178 sq km (69 sq miles) Abbreviation D.C., (with zip code) DC
District of Columbia in Culture

District of Columbia definition


The district occupied entirely by Washington, D.C., the capital of the United States; bordered by Maryland to the north and Virginia to the south.

Note: The District of Columbia was established by acts of Congress in 1790 and 1791 on a site selected by George Washington.