propeller definition, propeller meaning | English dictionary

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1    a device having blades radiating from a central hub that is rotated to produce thrust to propel a ship, aircraft, etc.  
2    a person or thing that propels  

propeller shaft  
      n   the shaft that transmits power from the gearbox to the differential gear in a motor vehicle or from the engine to the propeller in a ship or aircraft  
screw propeller  
      n   an early form of ship's propeller in which an Archimedes' screw is used to produce thrust by accelerating a flow of water  
  screw-propelled      adj  
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