United States of America

geographical name
\ yu̇-ˈnī-təd-ˈstāts How to pronounce United States of America (audio) , especially Southern ˈyü-ˌ\
variants: or United States or U.S. or US

Definition of United States of America

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

More from Merriam-Webster on United States of America

Spanish Central: Translation of United States of America

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one from the Upper Peninsula of Michigan

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