Definition of jet
1 a
:an airplane powered by one or more jet engines
b
:jet engine
2
:a long narrow current of high-speed winds (such as a jet stream)
3 a (1)
:a usually forceful stream of fluid (such as water or gas) discharged from a narrow opening or a nozzle
(2)
:a narrow stream of material (such as plasma) emanating or appearing to emanate from a celestial object (such as a radio galaxy)
b
:a nozzle for a jet of fluid
4
:something issuing as if in a jet
- talk poured from her in a brilliant jet
- —Time
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