#porthole  a window in a ship or airplane
  supertype:  #window  a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air
  part:  #deadlight
  part of:  #fuselage  the central body of an airplane that is designed to accommodate the crew and passengers (or cargo)
     part of:  #airplane__aeroplane__plane  an aircraft that has a fixed wing and is powered by propellers or jets; "the flight was delayed due to trouble with the airplane"
  part of:  #ship  a vessel that carries passengers or freight

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