There are 2 main definitions of rhea in English:

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rhea1

Syllabification: rhe·a
Pronunciation: /ˈrēə
 
/

noun

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
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.

Origin

early 19th century: modern Latin (genus name), from the name of the Titan Rhea.

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There are 2 main definitions of rhea in English:

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Rhea2

Syllabification: Rhe·a
Pronunciation: /rēə
 
/
1 Greek Mythology One of the Titans, wife of Cronus and mother of Zeus, Demeter, Poseidon, Hera, and Hades. Frightened of betrayal by their children, Cronus ate them; Rhea rescued Zeus from this fate by hiding him and giving Cronus a stone wrapped in blankets instead.
2 Astronomy A satellite of Saturn, the fourteenth closest to the planet, discovered by Cassini in 1672, and having a diameter of 951 miles (1,530 km).

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