Defn: 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, v. t. [imp. & p. p. Barreled (Barrelled; p. pr. & vb. n.
Barreling, or Barrelling.]
Defn: To put or to pack in a barrel or barrels.
BARRELED; BARRELLED
Bar"reled, Bar"relled, a.
Defn: Having a barrel; — used in composition; as, a double-barreled gun.
BARREL PROCESS
Bar"rel proc"ess. (Metal.)
Defn: A process of extracting gold or silver by treating the ore in a revolving barrel, or drum, with mercury, chlorine, cyanide solution, or other reagent.
BARREN Bar"ren, a. Etym: [OE. barein, OF. brehaing, brehaigne, baraigne, F. bréhaigne; of uncertain origin; cf. Arm. brékha, markha, sterile; LL. brana a sterile mare, principally in Aquitanian and Spanish documents; Bisc. barau, baru, fasting.]
1. Incapable of producing offspring; producing no young; sterile; — She was barren of children. Bp. Hall.
2. Not producing vegetation, or useful vegetation; "Barren mountain tracts." Macaulay.