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Definitions of keeled
  1. adjective
    having a ridge or shaped like a ridge or suggesting the keel of a ship
Definition that contains keeled
  • flying bird birds having keeled breastbones for attachment of flight muscles
  • mononychus olecranus a turkey-sized long-legged fossil 75 million years old found in the Gobi Desert having bird-like fused wrist bones and keeled breastbone and a long tail resembling a dinosaur's; short forelimbs end in a single claw instead of wings; classification as bird or dinosaur is in dispute
  • carinate birds having keeled breastbones for attachment of flight muscles
  • sinornis sparrow-sized fossil bird of the Jurassic period to the Cretaceous period having a keeled breastbone and vestigial tail; found in China; considered possibly the second most primitive of all birds
  • carinate bird birds having keeled breastbones for attachment of flight muscles
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