Meaning of rhea

(noun) fertility goddess in ancient Greek mythology; wife of Cronus and mother of Zeus; identified with Roman Ops and Cybele of ancient Asia Minor

smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Strait of Magellan

larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia