Part 475

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"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.

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 (Juncaceæ), 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.

Jun"co (?), n. (Zoöl.) Any bird of the genus Junco, which includes several species of North American finches; -- called also snowbird, or blue snowbird.

Jun"cous (?), a. [L. juncosus, fr. juncus a rush.] Full of rushes: resembling rushes; juncaceous. [R.] Johnson.

Junc"tion (?), n. [L. junctio, fr. jungere, junctum, to join: cf. F. jonction. See Join.]

1. The act of joining, or the state of being joined; union; combination; coalition; as, the junction of two armies or detachments; the junction of paths.

2. The place or point of union, meeting, or junction; specifically, the place where two or more lines of railway meet or cross.

Junction plate (Boilers), a covering or break-join plate riveted to and uniting the edges of sheets which make a butt joint. -- Junction rails (Railroads), the switch, or movable, rails, connecting one line of track with another.

Junc"ture (jk"tr; 135), n. [L. junctura, fr. jungere to join. See Jointure.] 1. A joining; a union; an alliance. [Obs.] "Devotional compliance and juncture of hearts." Eikon Basilike.

2. The line or point at which two bodies are joined; a joint; an articulation; a seam; as, the junctures of a vessel or of the bones. Boyle.

3. A point of time; esp., one made critical or important by a concurrence of circumstances; hence, a crisis; an exigency. "Extraordinary junctures." Addison.

In such a juncture, what can the most plausible and refined philosophy offer?

Berkeley.

June (?), n. [L. Junius: cf. F. Juin. So called either from Junius, the name of a Roman gens, or from Juno, the goddess.] The sixth month of the year, containing thirty days.

And what is so rare as a day in June? Then, if ever, come perfect days.

Lowell.

June beetle, June bug (Zoöl.), any one of several species of large brown beetles of the genus Lachnosterna and related genera; -- so called because they begin to fly, in the northern United States, about the first of June. The larvæ of the June beetles live under ground, and feed upon the roots of grasses and other plants. Called also May bug or May beetle. -- June grass (Bot.), a New England name for Kentucky blue grass. See Blue glass, and Illustration in Appendix.

June"a*ting (?), n. A kind of early apple. [Written also jenneting.]

June"ber`ry (?), n. (Bot.) (a) The small applelike berry of American trees of genus Amelanchier; -- also called service berry. (b) The shrub or tree which bears this fruit; -- also called shad bush, and shad tree.

||Jun`ger*man"ni*a (?), n.; pl. Jungermanniæ (#). [NL. Named after ||Ludwig Jungermann, a German botanist.] (Bot.) A genus of hepatic ||mosses, now much circumscribed, but formerly comprising most plants ||of the order, which is sometimes therefore called Jungermanniaceæ. || Jun"gle (j"g'l), n. [Hind. jangal desert, forest, jungle; Skr. ja&?;gala desert.] A dense growth of brushwood, grasses, reeds, vines, etc.; an almost impenetrable thicket of trees, canes, and reedy vegetation, as in India, Africa, Australia, and Brazil.

The jungles of India are of bamboos, canes, and other palms, very difficult to penetrate.

Balfour (Cyc. of India).

Jungle bear (Zoöl.), the aswail or sloth bear. -- Jungle cat (Zoöl.), the chaus. -- Jungle cock (Zoöl.), the male of a jungle fowl. -- Jungle fowl. (Zoöl.) (a) Any wild species of the genus Gallus, of which several species inhabit India and the adjacent islands; as, the fork-tailed jungle fowl (G. varius) of Java, G. Stanleyi of Ceylon, and G. Bankiva of India. The latter, which resembles the domestic gamecock, is supposed to be one of the original species from which the domestic fowl was derived. (b) An Australian grallatorial bird (Megapodius tumulus) which is allied to the brush turkey, and, like the latter, lays its eggs in mounds of vegetable matter, where they are hatched by the heat produced by decomposition.