keg
noun
[ kɛɡ ]
• a small barrel, especially one of less than 10 gallons or (in the US) 30 gallons.
Similar:
barrel,
cask,
vat,
butt,
tun,
drum,
hogshead,
firkin,
tub,
tank,
container,
vessel,
Origin:
early 17th century: variant of Scots and US dialect cag, from Old Norse kaggi .