
1) Barrel 2) Cask
Found on
https://www.crosswordclues.com/clue/firkin

1) British capacity unit 2) Imperial capacity unit 3) Quarter-barrel 4) Small cask 5) Unit of volume 6) Wooden cask
Found on
https://www.crosswordclues.com/clue/firkin

Unit of measure. 1 Firkin = 9 Imperial Gallons.
Found on
http://brewdudes.wordpress.com/beer-making-terminology/

old unit of capacity equal to one quarter of a barrel
Found on
http://phrontistery.info/f.html

small keg
Found on
http://phrontistery.info/f.html

• (n.) A varying measure of capacity, usually being the fourth part of a barrel; specifically, a measure equal to nine imperial gallons. • (n.) A small wooden vessel or cask of indeterminate size, -- used for butter, lard, etc.
Found on
http://thinkexist.com/dictionary/meaning/firkin/
Fir'kin noun [ From Anglo-Saxon
feówer four (or an allied word, perhaps 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 woo...
Found on
http://www.encyclo.co.uk/webster/F/33

The firkin was a British measure equal to 56 lbs for butter and 64 lbs for soap, 100 lbs of beef, 100 lbs of pork and nine gallons of beer.
Found on
http://www.probertencyclopaedia.com/browse/AF.HTM

[
n] - a British unit of capacity equal to 9 imperial gallons 2. [n] - a small wooden keg
Found on
http://www.webdictionary.co.uk/definition.php?query=firkin

English term for cask or small barrel; see under Puncheon. Puncheon Name (also Punchion or Pencheon) for an Anglo-American measure or barrel type, also called Firkin (barrel) or Tertian. The designation is derived from the inspection of the... Full text
Found on
https://glossary.wein.plus/firkin
noun a small wooden keg
Found on
https://www.encyclo.co.uk/local/20974

Unit of measure. 1 Firkin = 9 Imperial Gallons.
Found on
https://www.encyclo.co.uk/local/21582

A 9 U.K gallon vessel that contains beer
Found on
https://www.encyclo.co.uk/local/22617

a British unit of capacity usually equal to a quarter of a barrel. · a small wooden vessel or tub for butter, lard, etc.
Found on
https://www.infoplease.com/dictionary/firkin
No exact match found.