(a) a large gun which projects a spacecraft into space; (b) a hand-held gun whose recoil is used by an astronaut to propel himself or herself.

Science Fiction. A machine designed to enable a person to walk in space. rare.

transferred. Astronautics. A cable or other linking device supplying essential liquid or electrical services; spec. the connection between a guided…

A pack carried on the back; spec. one consisting of a folded parachute. Also attributive.

An inflatable emergency capsule for the return of an astronaut to earth from orbit, provided with a thruster, heat shield, and parachute.