barrel

nouns

a tube through which a bullet travels when a gun is fired
barrel, gun barrel
a cylindrical container that holds liquids
barrel, cask
a bulging cylindrical shape; hollow with flat ends
barrel, drum
the quantity that a barrel (of any size) will hold
barrel, barrelful
any of various units of capacity
"a barrel of beer is 31 gallons and a barrel of oil is 42 gallons"
barrel, bbl

verbs

put in barrels
barrel
is a type of (narrower)
put into a certain place or abstract location
"Put your things here"; "Set the tray down"; "Set the dogs on the scent of the missing children"; "Place emphasis on a certain point"
lay, place, pose, position, put, set