You searched for: “cask
cask, casque
cask (KASK) (noun)
A barrel to hold liquids: The cask of wine was stored in the cave.
casque (KASK) (noun)
A helmet, especially an ornate visorless headpiece of the 16th century: The teacher wore a casque to illustrate the kind of helmet worn by a soldier of past.

The actor discovered that when he was wearing a casque, it was impossible to raise the small cask of cider to his lips for a drink without spilling it all over himself.