What does "jet propulsion" mean?

Propulsion that is caused by the expulsion of a jet of fluid, especially by a jet engine or jellyfish.

Jet propulsion

Common synonyms include: action and reaction, aeromotor, aerospace propulsion, charge, diesel propulsion, engine mechanism.

noun

noun ·Uncommon ·Advanced level

Noun

1
Propulsion that is caused by the expulsion of a jet of fluid, especially by a jet engine or jellyfish. uncountable
2
propulsion by means of the discharge of a jet of fluid toward the rear wordnet
3
The study of devices propelled by jet propulsion uncountable