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
(Jump), a. Nice; exact; matched; fitting; precise. [Obs.] "Jump names." B. Jonson.
Jump
(Jump), adv. Exactly; pat.[Obs.] Shak.
Jumper
(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.
Jumper
(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
(Jump"ing), p. a. & vb. n. of Jump, to leap.
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.
Jumpweld
(Jump"weld`) v. t. See Buttweld, v. t.
Juncaceous
(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.
Juncate
(Jun"cate) n. See Junket.[Obs.] Spenser.
Juncite
(Jun"cite) n. [L. juncus a rush.] (Paleon.) A fossil rush.