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