#weathervane__wind_vane  mechanical device attached to an elevated structure; rotates freely to show the direction of the wind
  supertype:  #mechanical_device  mechanism consisting of a device that works on mechanical principles
  subtype:  #weathercock  weathervane with a vane in the form of a rooster
  subtype:  #wind_tee  weather vane shaped like a T and located at an airfield

No statement uses or specializes #weathervane; click here to add one.