Jet, v. t. To spout; to emit in a stream or jet.

A dozen angry models jetted steam.

Jet (?), n. Same as 2d Get. [Obs.] Chaucer.

Jet, n. [OF. jet, jayet, F. jaïet, jais, L. gagates, fr. Gr. ?; -- so called from ? or ?, a town and river in Lycia.] [written also jeat, jayet.] (Min.) A variety of lignite, of a very compact texture and velvet black color, susceptible of a good polish, and often wrought into mourning jewelry, toys, buttons, etc. Formerly called also black amber.

Jet ant (Zoöl.), a blackish European ant (Formica fuliginosa), which builds its nest of a paperlike material in the trunks of trees.

Jet, n. [F. jet, OF. get, giet, L. jactus a throwing, a throw, fr. jacere to throw. Cf. Abject, Ejaculate, Gist, Jess, Jut.]

1. A shooting forth; a spouting; a spurt; a sudden rush or gush, as of water from a pipe, or of flame from an orifice; also, that which issues in a jet.

2. Drift; scope; range, as of an argument. [Obs.]

3. The sprue of a type, which is broken from it when the type is cold. Knight.

Jet propeller (Naut.), a device for propelling vessels by means of a forcible jet of water ejected from the vessel, as by a centrifugal pump. -- Jet pump, a device in which a small jet of steam, air, water, or other fluid, in rapid motion, lifts or otherwise moves, by its impulse, a larger quantity of the fluid with which it mingles.

Jet, v. i. [imp. & p. p. Jetted (?); p. pr. & vb. n. Jetting.] [F. jeter, L. jactare, freq. fr. jacere to throw. See 3d Jet, and cf. Jut.]

1. To strut; to walk with a lofty or haughty gait; to be insolent; to obtrude. [Obs.]

he jets under his advanced plumes!

To jet upon a prince's right.

2. To jerk; to jolt; to be shaken. [Obs.] Wiseman.

3. To shoot forward or out; to project; to jut out.