D defs.my
Entry 1 sense Webster, 1913

Tractor screw

· IPA
01 A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a pus…
  1. 1.
    A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence, Tractor monoplane, Tractor biplane, etc. This is the most common arrangement for propellers on modern airplanes.(Aviation)