Definition of propeller :
A screw placed in front of the supporting planes of an aeroplane instead of behind them, so that it exerts a pull instead of a push. Hence, Tractor monoplane, Tractor biplane, etc.
- The propeller is quite a work of art. - "The Mastery of the Air", William J. Claxton.
- In this we were very fortunate, for just as we were finishing dinner a propeller came along. - "Missionary Work Among The Ojebway Indians", Edward Francis Wilson.
- The propeller should in every case be designed to meet the particular conditions of the machine to which it is to be applied. - "The Early History of the Airplane The Wright Brothers' Aeroplane, How We Made the First Flight & Some Aeronautical Experiments", Orville Wright Wilbur Wright.