English

Definition of jetpack noun from the Oxford Advanced Learner's Dictionary

 

jetpack

 noun
noun
BrE BrE//ˈdʒetpæk//
 
; NAmE NAmE//ˈdʒetpæk//
 
 
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(in science fiction stories) a device that somebody wears on their shoulders like a backpack that enables them to fly All game players have a spacesuit, a jetpack and a ray gun. The movie features a great jetpack chase. Word Origin 1950s: from jet and pack.