#cap.top  a top (as for a bottle)
  supertype:  top.covering  covering for a hole (especially a hole in the top of a container); "he removed the top of the carton"; "he couldn't get the top off of the bottle"; "put the cover back on the kettle"
  subtype:  bottlecap  a cap that seals a bottle
  subtype:  radiator_cap  cap on the opening in the top of a radiator through which a coolant liquid can be added

No statement uses or specializes cap.top; click here to add one.