Emily Dickinson Lexicon

cask, n. [Fr. casque, the head-piece termed a cask < Sp. casco, a caske or burganet, also a head, a pate, a sconce, an earthen pot, shard, or galley cup.]

Container; vat; tun; place for storing liquids, particularly liquors; [fig.] body; mortal frame; corporeal existence.