kilderkin

A cask.

An obsolete English measure of capacity equal to 18 imperial gallons (81.8 liters).

A measure of capacity, half a barrel or 2 firkins.

A small barrel; an old liquid measure containing eighteen English beer gallons, or nearly twenty-two gallons, United States measure.

A small barrel.

An old English liquid measure, usually being half a barrel; containing 18 English beer gallons, or nearly twenty-two gallons, United States measure.

an obsolete British unit of capacity equal to 18 Imperial gallons