bone noun, often attrib \ˈbōn\
: one of the hard parts of the skeleton of a vertebrate <a shoulder bone> <the bones of the arm>
: any of various hard animal substances or structures (as baleen or ivory) akin to or resembling bone
: the hard largely calcareous connective tissue of which the adult skeleton of most vertebrates is chiefly composed <cancellous bone> <compact bone>—compare cartilage 1
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