n. 桶

vt. 装入桶内

[化] 桶(石油容积单位,等于158.99升); 膛; 机筒; 外套

[医] 牙冠[金属]环

[经] 桶, 石油桶

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.

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.

4. A metallic tube, as of a gun, from which a projectile is
discharged. --Knight.

5. A jar. [Obs.] --1 Kings xvii. 12.

6. (Zo["o]l.) The hollow basal part of a feather.

{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}.


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.