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.
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.
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.
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.
