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.
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. See Claim, n., 3. — To jump one's bail, to abscond while at liberty under bail bonds.