A round vessel or cask, of
greater length than breadth, and bulging in the middle, made of staves
bound with hoops, and having flat ends or heads.
The quantity which constitutes a full barrel.
This varies for different articles and also in different places for the
same article, being regulated by custom or by law. A barrel of wine is
31½ gallons; a barrel of flour is 196 pounds.
A solid drum, or a hollow cylinder or case; as,
the barrel of a windlass; the barrel of a watch, within which
the spring is coiled.
A metallic tube, as of a gun, from which a
projectile is discharged.
A jar.
The hollow basal part of a
feather.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
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