#iron  a golfclub that has a relatively narrow metal head
  supertype:  #golfclub__club  golf equipment used by a golfer to hit a golf ball
  subtype:  #driving_iron__drivingiron__one_iron__oneiron  (golf) the long iron with the most nearly vertical face
  subtype:  #long_iron  an iron with a long shaft and a steep face; for hitting long low shots
  subtype:  #mashie__five_iron  middle-distance iron
  subtype:  #mashie_niblick__seven_iron__seveniron  iron with a lofted face for hitting high shots to the green
  subtype:  #midiron__two_iron__twoiron  long iron with a nearly vertical face
  subtype:  #niblick__nine_iron  an iron with considerable loft
  subtype:  #putting_iron__puttingiron__putter  the iron normally used on the putting green
  subtype:  #short_iron__shortiron  an iron with a short shaft and pitched face; for hitting short high shots
  subtype:  #wedge.iron  an iron with considerable loft and a broad sole
     subtype:  #pitching_wedge  a wedge used to loft the golf ball over obstacles
     subtype:  #sand_wedge  a wedge used to get out of sand traps

No statement uses or specializes #iron; click here to add one.