Definition from Wiktionary, the free dictionary
- (aviation) A piece of equipment that may be strapped to a person’s back and generate vertical thrust by a downward discharge of jet fluid, thereby rendering the person capable of flight.
- (aviation): In formal use, one most often speaks or writes of using a jet pack; however, in informal use, it is not uncommon to hear of flying or riding a jet pack.
Equipment worn on the back for vertical thrust
- (aviation): rocket pack
- (aviation): rocket belt