5. (Arch.) An abrupt interruption of level in a piece of brickwork or masonry.
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.
(Jump), a. Nice; exact; matched; fitting; precise. [Obs.] "Jump names." B. Jonson.
(Jump), adv. Exactly; pat.[Obs.] Shak.
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.
Jumping bean, a seed of a Mexican Euphorbia, containing the larva of a moth (Carpocapsa saltitans).
The larva by its sudden movements causes the seed to roll to roll and jump about. Jumping deer
(Zoöl.), a South African rodent (Pedetes Caffer), allied to the jerboa. Jumping jack, a toy figure
of a man, jointed and made to jump or dance by means of strings. Jumping louse (Zoöl.), any of
the numerous species of plant lice belonging to the family Psyllidæ, several of which are injurious to fruit
trees. Jumping mouse (Zoöl.), North American mouse (Zapus Hudsonius), having a long tail and
large hind legs. It is noted for its jumping powers. Called also kangaroo mouse. Jumping mullet
(Zoöl.), gray mullet. Jumping shrew (Zoöl.), any African insectivore of the genus Macroscelides.
They are allied to the shrews, but have large hind legs adapted for jumping. Jumping spider (Zoöl.),
spider of the genus Salticus and other related genera; one of the Saltigradæ; so called because it leaps
upon its prey.
(Jump"ing), p. a. & vb. n. of Jump, to leap.
(Jump"weld`) v. t. See Buttweld, v. t.
(Jun*ca"ceous) a. [See Juncate.] (Bot.) Of. pertaining to, or resembling, a natural order
of plants of which the common rush (Juncus) is the type.
(Jun"cate) n. See Junket.[Obs.] Spenser.
(Jun"cite) n. [L. juncus a rush.] (Paleon.) A fossil rush.
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