Open English Wordnet
Nouns
(n)rhea, nandu, Pterocnemia pennatasmaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Strait of Magellan
(n)rhea, Rhea americanalarger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia