Nouns

(n)bone, osrigid connective tissue that makes up the skeleton of vertebrates
(n)bone, osseous tissuethe porous calcified substance from which bones are made
(n)bone, ivory, pearl, off-whitea shade of white the color of bleached bones

Verbs

(v)cram, grind away, drum, bone up, swot, get up, mug up, swot up, bonestudy intensively, as before an exam“I had to bone up on my Latin verbs before the final exam”
(v)bone, deboneremove the bones from“bone the turkey before roasting it”

Adjectives

(s)boneconsisting of or made up of bone“a bony substance”, “the bony framework of the body”