Jump"er (?), n.
1.
One who, or that which, jumps.
2.
A long drilling tool used by masons and quarrymen.
3.
A rude kind of sleigh; -- usually, a simple box on runners which are in one piece with the poles that form the thills. [U.S.] J. F. Cooper.
4. (Zoöl.)
The larva of the cheese fly. See Cheese fly, under Cheese.
5. (Eccl.)
A name applied in the 18th century to certain Calvinistic Methodists in Wales whose worship was characterized by violent convulsions.
6. (Horology)
spring to impel the star wheel, also a pawl to lock fast a wheel, in a repeating timepiece.
Baby jumper. See in the Vocabulary. --
Bounty jumper. See under Bounty.
© Webster 1913
Jump"er, n. [See 1st Jump.]
A loose upper garment; as:
(a)
A sort of blouse worn by workmen over their ordinary dress to protect it.
(b)
A fur garment worn in Arctic journeys.
© Webster 1913
Jump"er, n.
A thing that jumps; esp., any of various tools or other contrivances operating with a jumping motion; as, (Mining, Quarrying, etc.),
an instrument for boring holes in rocks by percussion without hammering, consisting of a bar of iron with a chisel-edged steel tip at one or both ends, operated by striking it against the rock, turning it slightly with each blow.
© Webster 1913