United States of America

geographical name

yu̇-ˈnī-təd-ˈstāts 

 especially Southern  ˈyü-ˌ

variants or United States or U.S. or US

country (a federal republic) in North America bordering on the Atlantic, Pacific, and Arctic oceans; capital Washington area 3,796,742 square miles (9,833,517 square kilometers), population 329,256,000

Note: A native or inhabitant of the United States of America is usually referred to as an American. Terms that are used infrequently or in special contexts include Columbian and United Statesian, while Yankee is sometimes used by people from other countries.

see also american entry 1 sense 3