bone

rigid connective tissue that makes up the skeleton of vertebrates

the porous calcified substance from which bones are made

a shade of white the color of bleached bones

study intensively, as before an exam; "I had to bone up on my Latin verbs before the final exam"

remove the bones from; "bone the turkey before roasting it"

consisting of or made up of bone; "a bony substance"; "the bony framework of the body"