ˌDistrict of Coˈlumbia, the BrE AmE abbreviation , D.C. ( also the District )
the special area of the eastern US, next to Maryland and Virginia, which includes Washington, the capital of the US
DISTRICT OF COLUMBIA, THE
Meaning of DISTRICT OF COLUMBIA, THE in English
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012