Definition of District of Columbia in English:

District of Columbia

Syllabification: Dis·trict of Co·lum·bi·a
(abbreviation: DC)
A federal district of the US, coextensive with the city of Washington, on the Potomac River with boundaries on the states of Virginia and Maryland.

Definition of District of Columbia in:

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Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
not showing a serious or respectful attitude