n. [ OF. jet, jayet, F. jaïet, jais, L. gagates, fr. Gr. &unr_;; -- so called from &unr_; or &unr_;, 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. [ 1913 Webster ]

Jet ant (Zool.), a blackish European ant (Formica fuliginosa), which builds its nest of a paperlike material in the trunks of trees. [ 1913 Webster ]

v. t. To spout; to emit in a stream or jet. [ 1913 Webster ]

A dozen angry models jetted steam. Tennyson. [ 1913 Webster ]

n. Same as 2d Get. [ Obs. ] Chaucer. [ 1913 Webster ]

n. [ F. jet, OF. get, giet, L. jactus a throwing, a throw, fr. jacere to throw. Cf. Abject, Ejaculate, Gist, Jess, Jut. ] [ 1913 Webster ]

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. [ 1913 Webster ]

2. Drift; scope; range, as of an argument. [ Obs. ] [ 1913 Webster ]

3. The sprue of a type, which is broken from it when the type is cold. Knight. [ 1913 Webster ]

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. [ 1913 Webster ]

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. ] [ 1913 Webster ]

1. To strut; to walk with a lofty or haughty gait; to be insolent; to obtrude. [ Obs. ] [ 1913 Webster ]

he jets under his advanced plumes! Shak. [ 1913 Webster ]

To jet upon a prince's right. Shak. [ 1913 Webster ]

2. To jerk; to jolt; to be shaken. [ Obs. ] Wiseman. [ 1913 Webster ]

3. To shoot forward or out; to project; to jut out. [ 1913 Webster ]

a. Black as jet; deep black. See first jet. [ 1913 Webster ]

‖ pl. Jets d'eau /plu>. [ F., a throw of water. See Jet a shooting forth. ] A stream of water spouting, esp. upward, from a fountain or pipe for ornament; also, the fountain or pipe from which it issues. [ Webster 1913 Suppl. ]

‖n. (Bot.) A yellowness of the parts of plants which are normally green; yellows.

n. [ from jet plane, the conveyance used in their travels. ] an international group of wealthy individuals who travel frequently to international resorts. -- the group is not organized, but membership is defined solely by frequent travel for pleasure. [ PJC ]

n. a member of the jet set. [ PJC ]