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Definitions of breastbone
  1. noun
    the flat bone that articulates with the clavicles and the first seven pairs of ribs

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Definition that contains breastbone
  • keel the median ridge on the breastbone of birds that fly
  • carina any of various keel-shaped structures or ridges such as that on the breastbone of a bird or that formed by the fused petals of a pea blossom
  • gladiolus the large central part of the breastbone
  • manubrium the upper part of the breastbone
  • carinate birds having keeled breastbones for attachment of flight muscles
  • pigeon breast abnormal protrusion of the breastbone caused by rickets
  • flightless bird flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
  • ratite bird flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
  • breast of lamb a cut of lamb including the breastbone and attached muscles dressed as meat
  • pigeon-breasted having a chest deformity marked by a projecting breastbone caused by infantile rickets
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