Keep, n.
  1. The act or office of keeping; custody; guard; care; heed; charge.
  Pan, thou god of shepherds all,
  Which of our tender lambkins takest keep.   --Spenser.
  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.
     Grass equal to the keep of seven cows.   --Carlyle.
     I performed some services to the college in return for my keep.   --T. Hughes.
  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.
  The prison strong,
  Within whose keep the captive knights were laid.   --Dryden.
     The lower chambers of those gloomy keeps.   --Hallam.
     I think . . . the keep, or principal part of a castle, was so called because the lord and his domestic circle kept, abode, or lived there.   --M. A. Lower.
  5. That which is kept in charge; a charge. [Obs.]
  Often he used of his keep
  A sacrifice to bring.   --Spenser.
  6. Mach. A cap for retaining anything, as a journal box, in place.
  To take keep, to take care; to heed. [Obs.] --Chaucer.
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