1. (

• bone ,
• os

) rigid connective tissue that makes up the skeleton of vertebrates ;

2. (

• bone ,
• osseous_tissue

) the porous calcified substance from which bones are made ;

3. (

• bone ,
• ivory ,
• pearl ,
• off-white

) a shade of white the color of bleached bones ;

1. (

• cram ,
• grind_away ,
• drum ,
• bone_up ,
• swot ,
• get_up ,
• mug_up ,
• swot_up ,
• bone

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

2. (

• bone ,
• debone

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

1. (

• bone ,

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