District of Columbia

American  

noun

1. a federal area in the eastern United States, on the Potomac, coextensive with the federal capital, Washington. 69 sq. mi. (179 sq. km). DC (for use with zip code), D.C.

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District of Columbia British  

noun

1. Abbreviation: D.C..   DC.  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)

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District of Columbia Cultural  

1. 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.

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

Example Sentences

Attorney for the District of Columbia and former Fox News host Jeanine Pirro, has reportedly begun issuing sweeping subpoenas to tech giants like Reddit, X, Google, Discord and Meta.

From Salon • May 30, 2026

A Department of Justice investigation was dropped in April, but Jeanine Pirro, the U.S. attorney for the District of Columbia, said she would “not hesitate” to reopen the inquiry if warranted.

From Barron's • May 15, 2026

Court of Appeals for the District of Columbia Circuit heard argument in two cases about when the president can target private attorneys.

From Slate • May 15, 2026

Court of Appeals for the District of Columbia said that the Defense Department can temporarily require journalists to be escorted inside the Pentagon.

From The Wall Street Journal • May 6, 2026

As the wounded Garfield was being transferred to the White House by ambulance, police were driving the handcuffed Guiteau to the District of Columbia jail, the same one he had visited.

From "Ambushed!" by Gail Jarrow