U.S.A. (noun)

1: North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776 [syn: United States, United States of America, America, US, U.S., USA, U.S.A.]

Usa :  (noun)
1: North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776 [syn: United States, United States of America, America, US, U.S., USA, U.S.A.]
2: the army of the United States of America; organizes and trains soldiers for land warfare [syn: United States Army, US Army, U. S. Army, USA]