Wordnet 3.0
NOUN (2)
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, the States, US, U.S., USA, U.S.A.]
2. North America and South America and Central America;
WordNet (r) 3.0 (2006):
America
n 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, the
States, US, U.S., USA, U.S.A.]
2: North America and South America and Central America