资料来源 : Webster's Revised Unabridged Dictionary (1913)

Jump \Jump\, v. t.
   1. To pass by a spring or leap; to overleap; as, to jump a
      stream.

   2. To cause to jump; as, he jumped his horse across the
      ditch.

   3. To expose to danger; to risk; to hazard. [Obs.]

            To jump a body with a dangerous physic. -- Shak.

   4. (Smithwork)
      (a) To join by a butt weld.
      (b) To thicken or enlarge by endwise blows; to upset.

   5. (Quarrying) To bore with a jumper.

   {To jump a claim}, to enter upon and take possession of land
      to which another has acquired a claim by prior entry and
      occupation. [Western U. S. & Australia] See {Claim}, n.,
      3.

   {To jump one's bail}, to abscond while at liberty under bail
      bonds. [Slang, U. S.]