cask UK /kɑːsk/US /kæsk/noun 3verb 1forms 3 noun3 •A large barrel for the storage of liquid, especially of alcoholic drinks. (See a diagram of cask sizes.) •(no longer used) A casket; a small box for jewels.A jewel, locked into the woefullest cask / That ever did contain a thing of worth. — 1591 •(slang, no longer used) A brougham or other private carriage. verb1 •To put into a cask. formscasked · casking · casks
