We don't have synonyms for jet engines yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are jet engine, heat engines and jet-engine.
(n) :
An engine that obtains thrust by taking in air at the front, using it to burn fuel, then ejecting the hot combustion products at the rear through a propulsive nozzle.
(n) :
Any engine propelled by expelling a high speed fluid jet (jet propulsion), such as a rocket, turbojet, turbofan, ramjet, etc.
(n) :
An engine that obtains thrust by taking in air at the front, using it to burn fuel, then ejecting the hot combustion products at the rear through a propulsive nozzle.
(n) :
Any engine propelled by expelling a high speed fluid jet (jet propulsion), such as a rocket, turbojet, turbofan, ramjet, etc.