Cask (?), n. [Sp. casco potsherd, skull, helmet, prob. fr. cascar to break, fr. L. Quassure to break. Cf. Casque, Cass.] 1. Same as Casque. [Obs.]
2. A barrel-shaped vessel made of staves headings, and hoops, usually fitted together so as to hold liquids. It may be larger or smaller than a barrel.