Kilderkin vs. Firkin — What's the Difference?

A cask.

A small wooden barrel or covered vessel.

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

Any of several British units of capacity, usually equal to about 1/4 of a barrel or 9 gallons (34 liters).

A small barrel.

(British) A varying measure of capacity, usually being a quarter of a barrel; specifically, a measure equal to nine imperial gallons.

An old English liquid measure, usually being half a barrel; containing 18 English beer gallons, or 83.178 L.

(US) A small wooden vessel or cask of indeterminate size, used for butter, lard, etc.

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

A weight measure for butter, equalling 56 pounds.

An obsolete British unit of capacity equal to 18 Imperial gallons

A varying measure of capacity, usually being the fourth part of a barrel; specifically, a measure equal to nine imperial gallons.

A small wooden vessel or cask of indeterminate size, - used for butter, lard, etc.

A British unit of capacity equal to 9 imperial gallons

A small wooden keg