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 , the states , us , u.s. , usa , u.s.a. ]
the army of the United States of America; the agency that organizes and trains soldiers for land warfare
[ Syn: united states army , us army , u. s. army , army , usa ]