(1):

(n.) Same as Casque.

(2):

(n.) 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.

(3):

(n.) The quantity contained in a cask.

(4):

(v. t.) To put into a cask.

(5):

(n.) A casket; a small box for jewels.