DICT.TW Dictionary Taiwan

 fir·kin /ˈfɝkən/
 木製小桶,容量名

 Fir·kin n.
 1. A varying measure of capacity, usually being the fourth part of a barrel; specifically, a measure equal to nine imperial gallons. [Eng.]
 2. A small wooden vessel or cask of indeterminate size, -- used for butter, lard, etc. [U.S.]
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 firkin
      n 1: a British unit of capacity equal to 9 imperial gallons
      2: a small wooden keg

 Firkin
    Used only in John 2:6; the Attic amphora, equivalent to the
    Hebrew bath (q.v.), a measure for liquids containing about 8 7/8
    gallons.