Definition of "Bone" :

noun: a shade of white the color of bleached bones

noun: rigid connective tissue that makes up the skeleton of vertebrates

noun: the porous calcified substance from which bones are made

verb: remove the bones from

"Bone the turkey before roasting it."

verb: study intensively, as before an exam

"I had to bone up on my Latin verbs before the final exam."

adjective: consisting of or made up of bone