'Barrel of a boiler' definitions:

Definition of 'Barrel of a boiler'

From: 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]

Definition of 'Barrel of a boiler'

From: GCIDE
  • Boiler \Boil"er\, n.
  • 1. One who boils. [1913 Webster]
  • 2. A vessel in which any thing is boiled. [1913 Webster]
  • Note: The word boiler is a generic term covering a great variety of kettles, saucepans, clothes boilers, evaporators, coppers, retorts, etc. [1913 Webster]
  • 3. (Mech.) A strong metallic vessel, usually of wrought iron plates riveted together, or a composite structure variously formed, in which steam is generated for driving engines, or for heating, cooking, or other purposes. [1913 Webster]
  • Note: The earliest steam boilers were usually spheres or sections of spheres, heated wholly from the outside. Watt used the wagon boiler (shaped like the top of a covered wagon) which is still used with low pressures. Most of the boilers in present use may be classified as plain cylinder boilers, flue boilers, sectional and tubular boilers. [1913 Webster]
  • Barrel of a boiler, the cylindrical part containing the flues.
  • Boiler plate, Boiler iron, plate or rolled iron of about a quarter to a half inch in thickness, used for making boilers and tanks, for covering ships, etc.
  • Cylinder boiler, one which consists of a single iron cylinder.
  • Flue boilers are usually single shells containing a small number of large flues, through which the heat either passes from the fire or returns to the chimney, and sometimes containing a fire box inclosed by water.
  • Locomotive boiler, a boiler which contains an inclosed fire box and a large number of small flues leading to the chimney.
  • Multiflue boiler. Same as Tubular boiler, below.
  • Sectional boiler, a boiler composed of a number of sections, which are usually of small capacity and similar to, and connected with, each other. By multiplication of the sections a boiler of any desired capacity can be built up.
  • Tubular boiler, a boiler containing tubes which form flues, and are surrounded by the water contained in the boiler. See Illust. of Steam boiler, under Steam.
  • Tubulous boiler. See under Tubulous. See Tube, n., 6, and 1st Flue. [1913 Webster]