Meaning of PROPELLER in English

PROPELLER

n.

Device with a central hub and radiating blades placed so that each forms part of a helical (spiral) surface, used to propel a vehicle such as a ship or airplane .

By its rotation in water or air, the propeller produces thrust on the blades, which gives forward motion to the vehicle.

Britannica Concise Encyclopedia.      Краткая энциклопедия Британика.