from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of several flightless South American birds of the genus Rhea, resembling the ostrich but somewhat smaller and having three toes instead of two.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A large flightless bird of the genus Rhea, native to South America.


New Latin Rhea, genus name, probably from Latin, the wife of Cronus; see Rhea.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Modern Latin, from the mother of Zeus in Greek mythology, Rhea, from Ancient Greek Ῥέα. (Wiktionary)


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