Search Result for "north america":
Wordnet 3.0

NOUN (2)

1. a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama;

2. the nations of the North American continent collectively; 



WordNet (r) 3.0 (2006):

North America
    n 1: a continent (the third largest) in the western hemisphere
         connected to South America by the Isthmus of Panama
    2: the nations of the North American continent collectively