From The Collaborative International Dictionary of English v.0.48:
jump \jump\ (j[u^]mp), n. [Cf. F. jupe a long petticoat, a skirt. Cf. juppon.] (a) A kind of loose jacket for men. (b) pl. A bodice worn instead of stays by women in the 18th century. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
jump \jump\, v. i. [imp. & p. p. jumped (j[u^]mt; 215); p. pr. & vb. n. jumping.] [Akin to OD. gumpen, dial. G. gumpen, jumpen.] [1913 Webster] 1. 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. [1913 Webster]
Not the worst of the three but jumps twelve foot and a half by the square. --Shak. [1913 Webster]
2. To move as if by jumping; to bounce; to jolt. "The jumping chariots." --Nahum iii. 2. [1913 Webster]
A flock of geese jump down together. --Dryden. [1913 Webster]
3. To coincide; to agree; to accord; to tally; -- followed by with. "It jumps with my humor." --Shak. [1913 Webster]
To jump at, to spring to; hence, fig., to accept suddenly or eagerly; as, a fish jumps at a bait; to jump at a chance. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Jump \Jump\, v. t. 1. To pass over by means of a spring or leap; to overleap; as, to jump a stream. [1913 Webster]
2. To cause to jump; as, he jumped his horse across the ditch. [1913 Webster]
3. To expose to danger; to risk; to hazard. [Obs.] [1913 Webster]
To jump a body with a dangerous physic. --Shak. [1913 Webster]
4. (Smithwork) (a) To join by a butt weld. (b) To thicken or enlarge by endwise blows; to upset. [1913 Webster]
5. (Quarrying) To bore with a jumper. [1913 Webster]
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.]
To jump the gun, to begin to run (in a footrace) before the starting gun has fired; hence, (fig.) to begin any activity before the designated starting time. [1913 Webster +PJC]
From The Collaborative International Dictionary of English v.0.48:
Jump \Jump\, a. Nice; exact; matched; fitting; precise. [Obs.] "Jump names." --B. Jonson. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Jump \Jump\, adv. Exactly; pat. [Obs.] --Shak. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
jump \jump\ (j[u^]mp), n. same as jump-start, n.. [PJC]
From The Collaborative International Dictionary of English v.0.48:
jump \jump\ (j[u^]mp), v. t. same as jump-start, v. t.. [PJC]
From The Collaborative International Dictionary of English v.0.48:
Jump \Jump\, n. 1. The act of jumping; a leap; a spring; a bound. "To advance by jumps." --Locke. [1913 Webster]
2. An effort; an attempt; a venture. [Obs.] [1913 Webster]
Our fortune lies Upon thisjump. --Shak. [1913 Webster]
3. The space traversed by a leap. [1913 Webster]
4. (Mining) A dislocation in a stratum; a fault. [1913 Webster]
5. (Arch.) An abrupt interruption of level in a piece of brickwork or masonry. [1913 Webster]
6. A jump-start; as, to get a jump from a passing mmotorist. [PJC]
From the jump, from the start or beginning. [Colloq.]
Jump joint. (a) A butt joint. (b) A flush joint, as of plank in carvel-built vessels.
Jump seat. (a) A movable carriage seat. (b) A carriage constructed with a seat which may be shifted so as to make room for second or extra seat. Also used adjectively; as, a jump-seat wagon. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Jump-start \Jump"-start`\, n. The action or event of jump-starting. For motor vehicles, the jump-starting of an engine is also called a jump. [PJC] Jump suit
From The Collaborative International Dictionary of English v.0.48:
Jupon \Ju*pon"\, Juppon \Jup*pon"\, n. [F. jupon, fr. jupe skirt, Sp. aljuba a Moorish garment, Ar. jubba.] [Written variously jupe, jump, juppo, etc.] [1913 Webster] 1. A sleeveless jacket worn over the armor in the 14th century. It fitted closely, and descended below the hips. --Dryden. [1913 Webster]
2. A petticoat. --Halliwell. [1913 Webster]