'Thruster' definitions:
Definition of 'thruster'
From: WordNet
noun
One who intrudes or pushes himself forward [syn: pusher, thruster]
noun
A small rocket engine that provides the thrust needed to maneuver a spacecraft
Definition of 'Thruster'
From: GCIDE
- Thruster \Thrust"er\, n. One who thrusts or stabs. [1913 Webster]