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)