- a device having a revolving hub with radiating blades, for propelling an airplane, ship, etc.
- a person or thing that propels.
- the bladed rotor of a pump that drives the fluid axially.
- a wind-driven, usually three-bladed, device that provides mechanical energy, as for driving an electric alternator in wind plants.
- a device having blades radiating from a central hub that is rotated to produce thrust to propel a ship, aircraft, etc
- a person or thing that propels
