#Imperial_gallon__gallon__congius__congiu  a British imperial capacity measure (liquid or dry) equal to 4 quarts or 4.545 liters
  supertype:  #British_capacity_unit__Imperial_capacity_unit  a unit of measure for capacity officially adopted in the British Imperial System; British units are both dry and wet
  part:  #quart.British_capacity_unit
  part of:  #bbl__barrel  any of various units of capacity; "a barrel of beer is 31 gallons and a barrel of oil is 42 gallons"
     part of:  #hogshead.British_capacity_unit  a British unit of capacity for alcoholic beverages
  part of:  #bushel.British_capacity_unit  a British imperial capacity measure (liquid or dry) equal to 4 pecks
     part of:  #quarter.British_capacity_unit  (British) a quarter of a hundredweight (28 pounds)
        part of:  #long_hundredweight__hundredweight__cwt  a British unit of weight equivalent to 112 pounds
           part of:  #long_ton__ton__gross_ton__grosston  a British unit of weight equivalent to 2240 pounds
  part of:  #firkin.British_capacity_unit  a British unit of capacity equal to 9 imperial gallons
     part of:  #kilderkin  an obsolete British unit of capacity equal to 18 Imperial gallons

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