Noah Webster's New International Dictionary of the English Language

1. (n.) A kind of loose jacket for men.

2. (n.) A bodice worn instead of stays by women in the 18th century.

3. (v. i.) To spring free from the ground by the muscular action of the feet and legs; to project one's self through the air; to spring; to bound; to leap.

4. (v. i.) To move as if by jumping; to bounce; to jolt.

5. (v. i.) To coincide; to agree; to accord; to tally; -- followed by with.

6. (v. t.) To pass by a spring or leap; to overleap; as, to jump a stream.

7. (v. t.) To cause to jump; as, he jumped his horse across the ditch.

8. (v. t.) To expose to danger; to risk; to hazard.

9. (v. t.) To join by a butt weld.

10. (v. t.) To thicken or enlarge by endwise blows; to upset.

11. (v. t.) To bore with a jumper.

12. (n.) The act of jumping; a leap; a spring; a bound.

13. (n.) An effort; an attempt; a venture.

14. (n.) The space traversed by a leap.

15. (n.) A dislocation in a stratum; a fault.

16. (n.) An abrupt interruption of level in a piece of brickwork or masonry.

17. (a.) Nice; exact; matched; fitting; precise.

18. (adv.) Exactly; pat.