From WordNet (r) 2.0 (August 2003) [wn]:
barrel
n 1: a tube through which a bullet travels when a gun is fired
[syn: gun barrel]
2: a cylindrical container that holds liquids [syn: cask]
3: a bulging cylindrical shape; hollow with flat ends [syn:
drum]
4: the quantity that a barrel (of any size) will hold [syn:
barrelful]
5: any of various units of capacity; "a barrel of beer is 31
gallons and a barrel of oil is 42 gallons" [syn: bbl]
v : put in barrels
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Barrel \Bar"rel\ (b[a^]r"r[e^]l), n.[OE. barel, F. baril, prob.
fr. barre bar. Cf. Barricade.]
1. 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; as, a cracker
barrel. Sometimes applied to a similar cylindrical
container made of metal, usually called a drum.
[1913 Webster +PJC]
2. 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 311/2 gallons; a barrel of flour is 196
pounds.
[1913 Webster]
3. 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.
[1913 Webster]
4. A metallic tube, as of a gun, from which a projectile is
discharged. --Knight.
[1913 Webster]
5. A jar. [Obs.] --1 Kings xvii. 12.
[1913 Webster]
6. (Zool.) The hollow basal part of a feather.
[1913 Webster]
Barrel bulk (Com.), a measure equal to five cubic feet,
used in estimating capacity, as of a vessel for freight.
Barrel drain (Arch.), a drain in the form of a cylindrical
tube.
Barrel of a boiler, the cylindrical part of a boiler,
containing the flues.
Barrel of the ear (Anat.), the tympanum, or tympanic
cavity.
Barrel organ, an instrument for producing music by the
action of a revolving cylinder.
Barrel vault. See under Vault.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Barrel \Bar"rel\ (b[a^]r"r[e^]l), v. t. [imp. & p. p. Barreled
(-r[e^]ld), or Barrelled; p. pr. & vb. n. Barreling, or
Barrelling.]
To put or to pack in a barrel or barrels.
[1913 Webster]