bone

noun
  1. A rigid organ that constitutes part of the vertebrate skeleton, providing structure and support to the body. noun
    The human body has 206 bones.
    She broke a bone in her arm while playing soccer.
  2. The calcified material of which bones are made, often used in various applications such as carving or making tools. noun
    The knife handle was made of bone.
    Ancient artifacts often include tools made from bone.
  3. To remove the bones from meat or fish. verb
    The chef boned the fish before cooking it.
    It's easier to eat the chicken if you bone it first.
  4. To study intensely or cram, especially in preparation for an exam. Often used with 'up' as 'bone up'. verb
    I need to bone up on my history before the test tomorrow.
    She spent the weekend boning up on her math skills.
  5. A slang term for a complaint or grievance. noun
    He had a bone to pick with his colleague about the missed deadline.
    She always seems to have a bone to pick with someone.