Fir"kin (?), n. [From AS. feówer 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.]
2. A small wooden vessel or cask of indeterminate size, --
used for butter, lard, etc. [U.S.]
Hear it pronounced