| NOUN | animal | flying bird, carinate, carinate bird | birds having keeled breastbones for attachment / attachment of flight muscles |
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| Meaning | birds having keeled breastbones for attachment / attachment of flight muscles. | |
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| Synonyms | carinate, carinate bird | |
| Parts | keel | The median ridge on the breastbone of birds that fly |
| Broader | bird | warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings |
| Opposite | ratite, ratite bird, flightless bird | Flightless birds having flat breastbones lacking a keel for attachment / attachment of flight muscles |