#pennyweight  a unit of apothecary weight equal to 24 grains
  supertype:  troy_unit  any of the unit of the troy system of weights
  part:  grain.troy_unit
  part of:  apothecaries'_ounce__apothecaries'ounce__ounce__troyounce  a unit of apothecary weight equal to 480 grains or one twelfth of a pound
     part of:  troy_pound__apothecaries'_pound__apothecaries'pound  an apothecary weight equal to 12 ounces or 373.242 grams

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