Keep

n.
  1. The act or office of keeping; custody; guard; care; heed; charge.
  2. The state of being kept; hence, the resulting condition; case; as, to be in good keep.
  3. The means or provisions by which one is kept; maintenance; support; as, the keep of a horse.
  4. That which keeps or protects; a stronghold; a fortress; a castle; specifically, the strongest and securest part of a castle, often used as a place of residence by the lord of the castle, especially during a siege; the dungeon. See Illust. of Castle.
  5. That which is kept in charge; a charge.
  6. (Mach.) A cap for retaining anything, as a journal box, in place.
    7. To take keep ,
    to take care; to heed.