#quarter.avoirdupois_unit  $('p' #lb removed since already part of stone.avoirdupois_unit)$ a quarter of a hundredweight (25 pounds)
  supertype:  #avoirdupois_unit__avoirdupoisunit  any of the units of the avoirdupois system of weights
  part:  #stone.avoirdupois_unit
  part of:  #short_hundredweight__shorthundredweight__hundredweight__cwt__centner__quintal  a United States unit of weight equivalent to 100 pounds
     part of:  #short_ton__shortton__ton__net_ton__netton  a United States unit of weight equivalent to 2000 pounds
        part of:  #kiloton.avoirdupois_unit  one thousand tons
           part of:  #megaton.avoirdupois_unit  one million tons

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