EXAMPLES FROM THE WEB FOR BARREL
He gave the writer of the note sixpence and a barrel pen for his trouble.
A barrel may sound hollow, but not a bird--this wiseacre acquaints us.
And at extreme ranges, the forward one-third of the barrel is the point of aim.
The barrel of beer is in the corner but it is sacred as the honour of the regiment!
One could see the negro now; he sat on a barrel at the end of the room.
On top of the barrel was a tin coffeepot, a china cup, and half a loaf of bread.
Falling in with an American in the Bay of Biscay, we got a barrel of beef which lasted us in.
In this machine, the barrel was fitted with a crank, and rotated by handle.
My eyes could not be seen, and only my mouth served to show that this barrel was a human being.
The man who had got me into this thing--this barrel--lifted the tent-flap.
c.1300, from Old French baril (12c.) "barrel, cask, vat," with cognates in all Romance languages (e.g. Italian barile, Spanish barril), but origin uncertain; perhaps from Gaulish, perhaps somehow related to bar (n.1). Meaning "metal tube of a gun" is from 1640s. Barrel roll in aeronautics is from 1927.