'Firkin' definitions:

Definition of 'firkin'

From: WordNet
noun
A British unit of capacity equal to 9 imperial gallons
noun
A small wooden keg

Definition of 'Firkin'

From: GCIDE
  • Firkin \Fir"kin\, n. [From AS. fe['o]wer four (or an allied word, perh. Dutch or Danish) + -kin. See Four.]
  • 1. A varying measure of capacity, usually being the fourth part of a barrel; specifically, a measure equal to nine imperial gallons. [Eng.] [1913 Webster]
  • 2. A small wooden vessel or cask of indeterminate size, -- used for butter, lard, etc. [U.S.] [1913 Webster]

Definition of 'Firkin'

From: Easton
  • 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.