When she died, the barrel was her last gift to her people and their new king.

That ought to be a barrel of laughs!

There's a barrel in the bedchamber.

Taran wrestled the barrel out and pried its top open.

This weapon embodied all the essential features which distinguish the ordnance of to-day from the cannon of the middle ages - it was built up of rings of metal shrunk upon an inner steel barrel; it was loaded at the breech; it was rifled; and it threw, not a round ball, but an elongated projectile with ogival head.