#sash_fastener__sash_lock__window_lock  a lock attached to the sashes of a double hung window that can fix both in the shut position
  supertype:  #lock.holdfast  a fastener fitted to a door or drawer to keep it firmly closed
  part of:  #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 of:  #edifice__building  a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"

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