cask

 
Pronunciation: /kɑːsk/

noun

  • a large barrel-like container used for storing liquids, typically alcoholic drinks: the wine is stored in oak casks
  • the quantity of liquid held in a cask: a cask of cider

Origin:

early 16th century: from French casque or Spanish casco 'helmet'. The current senses appear only in English; from the late 16th to the late 18th centuries the word also denoted a helmet (compare with casque)