keg

n. small barrel; unit of weight which equals 100 pounds (45 kg)

A keg is a cylindrical container, usually constructed of aluminum, steel or wood. A keg is commonly used to store, transport, and serve beer. Other alcoholic or non-alcoholic drinks, carbonated or non-carbonated, may be housed in a keg as well. These liquids are generally under pressure. Formerly a keg was a small barrel made by a cooper used to transport items such as nails.
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Noun
1. the quantity contained in a keg
(synonym) kegful
(hypernym) containerful
2. small cask or barrel
(hypernym) barrel, cask
(hyponym) firkin

n. wedge, tapering wood or metal block

(n.)
A small cask or barrel.