Definition jet
Etymology 1
Borrowed from French jet (“spurt”, literally “a throw”), from Old French get, giet, from Vulgar Latin *iectus, jectus, from Latin iactus (“a throwing, a throw”), from iacere (“to throw”). See abject, ejaculate, gist, jess, jut. Cognate with Spanish echar.
Noun
jet (plural jets)
- A collimated stream, spurt or flow of liquid or gas from a pressurized container, an engine, etc.
- A spout or nozzle for creating a jet of fluid.
- (aviation) A type of airplane using jet engines rather than propellers.
- An engine that propels a vehicle using a stream of fluid as propulsion.
- A turbine.
- A rocket engine.
- A part of a carburetor that controls the amount of fuel mixed with the air.
- (physics) A narrow cone of hadrons and other particles produced by the hadronization of a quark or gluon.
- (dated) Drift; scope; range, as of an argument.
- (printing, dated) The sprue of a type, which is broken from it when the type is cold.
Verb
jet (third-person singular simple present jets, present participle jetting, simple past and past participle jetted)
- (intransitive) To spray out of a container.
- (transitive) To spray with liquid from a container.
- (intransitive) To travel on a jet aircraft or otherwise by jet propulsion
- (intransitive) To move (running, walking etc.) rapidly around
- To shoot forward or out; to project; to jut out.
- To strut; to walk with a lofty or haughty gait; to be insolent; to obtrude.
- To jerk; to jolt; to be shaken.
- To adjust the fuel to air ratio of a carburetor; to install or adjust a carburetor jet
- (slang) To leave.
Adjective
jet (not comparable)
- Propelled by turbine engines.
Etymology 2
From Middle English get, geet, gete, from a northern form of Old French jayet, jaiet, gaiet, from Latin gagātēs, from Ancient Greek Γαγάτης (Gagátēs), from Γάγας (Gágas, “a town and river in Lycia”).
Noun
jet (plural jets)
- A hard, black form of coal, sometimes used in jewellery.
- The colour of jet coal, deep grey.
Adjective
jet (not comparable)
- Very dark black in colour.