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Definition of Genus rhea
1. Noun. Type genus of the Rheidae; large tall flightless South American birds similar to but smaller than ostriches.
Generic synonyms: Bird Genus
Group relationships: Family Rheidae, Rheidae
Member holonyms: Rhea, Rhea Americana
Group relationships: Family Rheidae, Rheidae
Member holonyms: Rhea, Rhea Americana