Английский разговорный словарь (основной) - firkin
Firkin
firkin
ˈfə:kɪn n. 1 a smallcaskfor liquids, butter, fish, etc. 2 Brit. (as a measure) half a kilderkin (8 or 9 gallons). [ME ferdekyn, prob. f. MDu. vierdekijn (unrecorded) dimin. of vierde fourth]