'Boiler' definitions:

Definition of 'boiler'

From: WordNet
noun
Sealed vessel where water is converted to steam [syn: boiler, steam boiler]
noun
A metal pot for stewing or boiling; usually has a lid [syn: kettle, boiler]

Definition of '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]

Definition of 'Boiler'

From: GCIDE
  • Boiler \Boil"er\, n. A sunken reef; esp., a coral reef on which the sea breaks heavily. [Webster 1913 Suppl.]