WordWeb Online

1. Smaller of two tall fast-running flightless birds similar to ostriches but three-toed; found from Peru to Strait of Magellan
   - nandu, Pterocnemia pennata
    
2. Larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to Patagonia
   - Rhea americana

1. Fertility goddess in ancient Greek mythology; wife of Cronus and mother of Zeus; identified with Roman Ops and Cybele of ancient Asia Minor

Derived forms: rheas

Type of: flightless bird, ratite, ratite bird, Titaness

Part of: genus Pterocnemia, genus Rhea, Pterocnemia

Encyclopedia: Rhea