#vehicle_window__vehiclewindow__window  a transparent opening in a vehicle that allow vision out of the sides or back; usually is capable of being opened
  supertype:  opening.artifact  a vacant or unobstructed space; "they left a small opening for the cat at the bottom of the door"
  part of:  autobus  car
  subtype:  car_window__carwindow  a window in a car
     subtype:  quarterlight  (British) car window consisting of a small pivoted glass vent in the door of a car
     subtype:  rear_window  car window that allows vision out of the back of the car

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