U.S.A.

Definition of the noun u.s.a.


1. United States, United States of America, America, US, U.S., USA, U.S.A. : 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


2. United States Army, US Army, U. S. Army, USA : the army of the United States of America; organizes and trains soldiers for land warfare