thruster

noun

1. One who thrusts, who pushes or stabs.

2. A device for propelling an object, especially a spacecraft or a ship (marine vessel).

3. nauticalA bow thruster or a stern thruster.

4. surfingA surfboard (usually a shortboard) with three fins of approximately equal size, one centred at the back, one on each side about 25cm forward and out near the rails.

5. An ambitious, driven person; a go-getter.

6. One who intrudes or pushes themself forwardperson

   Similar: pusher

7. A small rocket engine that provides the thrust needed to maneuver a spacecraft