kilderkin
/ˈkɪldəkɪn/noun
1- a cask for liquids or other substances, holding 16 or 18 gallons小桶（容量为16或18加仑）。
1.1
- this amount as a unit of measurement小桶液量。
词源
late Middle English: from Middle Dutch kinderkin, variant of kinerkijn, diminutive of kintal （see QUINTAL）.