bone

(noun) rigid connective tissue that makes up the skeleton of vertebrates. Synonyms: os.

(noun) the porous calcified substance from which bones are made. Synonyms: osseous tissue.

(noun) a shade of white the color of bleached bones. Synonyms: ivory, pearl, off-white.

(verb) study intensively, as before an exam. Synonyms: cram, grind away, drum, bone up, swot, get up, mug up, swot up. Example: "I had to bone up on my latin verbs before the final exam."

(verb) remove the bones from. Synonyms: debone. Example: "Bone the turkey before roasting it."

(adj) consisting of or made up of bone. Examples: "A bony substance." "The bony framework of the body."