Washington UK /ˈwɒʃɪŋtən/US /ˈwɑʃɪŋtən/ noun3 •Washington, D.C. (the capital city of the United States). •A state in the Pacific Northwest region of the United States. Capital: Olympia. Largest city: Seattle. •(US, slang) A U.S. one-dollar bill, which features a portrait of George Washington.He could open that footlocker once in awhile^([sic]) and look at actual cash, loads of bills, tens, twenties, eagles, Grants, Lincolns, Washingtons. — 1968 formsWashingtons