Noun
a mechanical device that rotates to push against air or water
Source: WordNetA true beanie should have a propellor on the top. Terry Pratchett
Crosby 2002, p. 84. The Bf 109E had a better climb rate and was up to 40 mph faster in level flight than the Rotol (constant speed propellor) equipped Hurricane Mk I, depending on altitude. Source: Internet
A similar design, called the autogyro boat, uses a wind turbine without the propellor, and functions in a manner similar to a normal sail. Source: Internet
Iran even was producing UAV's and the Pilatus PC-7 propellor aircraft for observation. Source: Internet
The Bristol Aeroplane Company proposed to combine jet and piston engines but dropped the idea and concentrated on propellor turbines instead. Source: Internet