#impeller  the blade of a rotor (as in the compressor of a jet engine)
  supertype:  #blade.rotating_mechanism__vane  flat surface that rotates and pushes against air or water
  part of:  #rotor  rotating mechanism consisting of an assembly of rotating airfoils; horizontal rotors on a helicopter or compressor rotors of a jet engine
     part of:  #helicopter__chopper__whirlybird__eggbeater  an aircraft without wings that obtains its lift from the rotation of overhead blades
     part of:  #jet_engine__jetengine  a gas turbine produces a stream of hot gas that propels a jet plane by reaction propulsion
        part of:  #jet-propelled_plane__jetpropelledplane__jet__jetplane  an airplane powered by one or more jet engines

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