Proper noun
The United States of America; a one-word name for the country that does not have the ambiguity of "America".
Frank Lloyd Wright's utopian vision of the United States
A community in New York state designed by Frank Lloyd Wright in his Usonian style
(rare) In geopolitical and international economic modeling, a prototype superpower that, in competing with an antagonistic superpower Russonia (the Soviet Union), allows Thirdonia (a hypothetical neutral Third World country) to extract considerable wealth from both.
Source: en.wiktionary.org