Dictionary Definition
kilderkin n : an obsolete British unit of
capacity equal to 18 Imperial gallons
Extensive Definition
The kilderkin is an old English unit of volume
equal to half a barrel or two firkins. It was used as standard size
for brewery casks. The
word kilderkin comes from Dutch for a small cask. The kilderkin has
historically been in the general range of 16 to 18 gallons. Based
on the current imperial barrel of 36 gallons the following
conversions are possible.
Reference
Kilderkin in Russian:
Килдеркин