D.C.

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the district occupied entirely by the city of Washington;
chosen by George Washington as the site of the capital of the United States and created out of land ceded by Maryland and Virginia
• Syn:
District of Columbia, DC
• Instance Hypernyms:
federal district
• Part Holonyms:
United States, United States of America, America, the States, US,
U.S., USA, U.S.A.
• Part Meronyms:
Washington, Washington D.C., American capital, capital of the United States