A large flightless bird of South American grasslands, resembling a small ostrich, with grayish-brown plumage.
- Family Rheidae: two species, Rhea americana and Pterocnemia pennata
More example sentences
- He saw the common rhea - an ostrichlike bird - living in Argentina.
- The park is home to 105 species of birds ranging from condors and austral parakeets to rheas - the South American ostriches.
- For six hours we speed through sensational country, looking out for dolphins in the Straits of Magellan, and rheas, South American ostriches, as we cross the Patagonian steppe.
early 19th century: modern Latin (genus name), from the name of the Titan Rhea.