The Collaborative International Dictionary of English v.0.48:

Stump \Stump\, n. [OE. stumpe, stompe; akin to D. stomp, G.
   stumpf, Icel. stumpr, Dan. & Sw. stump, and perhaps also to
   E. stamp.]
   1. The part of a tree or plant remaining in the earth after
      the stem or trunk is cut off; the stub.
      [1913 Webster]

   2. The part of a limb or other body remaining after a part is
      amputated or destroyed; a fixed or rooted remnant; a stub;
      as, the stump of a leg, a finger, a tooth, or a broom.
      [1913 Webster]

   3. pl. The legs; as, to stir one's stumps. [Slang]
      [1913 Webster]

   4. (Cricket) One of the three pointed rods stuck in the
      ground to form a wicket and support the bails.
      [1913 Webster]

   5. A short, thick roll of leather or paper, cut to a point,
      or any similar implement, used to rub down the lines of a
      crayon or pencil drawing, in shading it, or for shading
      drawings by producing tints and gradations from crayon,
      etc., in powder.
      [1913 Webster]

   6. A pin in a tumbler lock which forms an obstruction to
      throwing the bolt, except when the gates of the tumblers
      are properly arranged, as by the key; a fence; also, a pin
      or projection in a lock to form a guide for a movable
      piece.
      [1913 Webster]

   Leg stump (Cricket), the stump nearest to the batsman.

   Off stump (Cricket), the stump farthest from the batsman.


   Stump tracery (Arch.), a term used to describe late German
      Gothic tracery, in which the molded bar seems to pass
      through itself in its convolutions, and is then cut off
      short, so that a section of the molding is seen at the end
      of each similar stump.

   To go on the stump, or To take the stump, to engage in
      making public addresses for electioneering purposes; -- a
      phrase derived from the practice of using a stump for a
      speaker's platform in newly-settled districts. Hence also
      the phrases stump orator, stump speaker, stump speech,
      stump oratory, etc. [Colloq. U.S.]

   on the stump campaigning for public office; running for
      election to office.
      [1913 Webster +PJC]