south america is a noun meaning "a continent in the western hemisphere connected to North America by the Isthmus of Panama". It carries 2 recorded senses.
a continent in the western hemisphere connected to North America by the Isthmus of Panama
the nations of the South American continent collectively
“South America is an important market for goods from the United States”
Definitions, synonyms and semantic relations for south america come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.