#French_door  a light door with transparent or glazed panels extending the full length
  supertype:  door  a swinging or sliding barrier that will close the entrance to a room or building; "he knocked on the door"; "he slammed the door as he left"
  subtype:  French_window  a French door situated in an exterior wall of a building
  part:  flexible_joint__hinge  a joint that holds two parts together so that one can swing relative to the other
     part:  pintle  a pin or bolt forming the pivot of a hinge

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