flying bird

Từ điển WordNet v3.1 - WordNet Dictionary

noun

birds having keeled breastbones for attachment of flight muscles
• Syn:
carinate, carinate bird
• Ant:
ratite (for: carinate)
• Derivationally related forms:
carinate (for: carinate)
• Hypernyms:
bird
• Part Meronyms:
keel