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Definition of Ratite bird
1. Noun. Flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds.
Exact synonyms: Flightless Bird, Ratite
Generic synonyms: Bird
Specialized synonyms: Ostrich, Struthio Camelus, Cassowary, Dromaius Novaehollandiae, Emu, Emu Novaehollandiae, Apteryx, Kiwi, Rhea, Rhea Americana, Nandu, Pterocnemia Pennata, Rhea, Aepyornis, Elephant Bird, Moa
Antonyms: Carinate
Generic synonyms: Bird
Specialized synonyms: Ostrich, Struthio Camelus, Cassowary, Dromaius Novaehollandiae, Emu, Emu Novaehollandiae, Apteryx, Kiwi, Rhea, Rhea Americana, Nandu, Pterocnemia Pennata, Rhea, Aepyornis, Elephant Bird, Moa
Antonyms: Carinate