| a. | 1. | (Zool.) Of or pertaining to the Ratitæ. |
| Noun | 1. | ratite - flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birdsSynonyms: flightless bird, ratite bird Antonyms: carinate, carinate bird, flying bird - birds having keeled breastbones for attachment of flight muscles |
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