Meaning of boiler

boil•er

Pronunciation: (boi'lur), [key]
— n.
  1. a closed vessel or arrangement of vessels and tubes, together with a furnace or other heat source, in which steam or other vapor is generated from water to drive turbines or engines, supply heat, process certain materials, etc. Cf. fire-tube boiler, water-tube boiler.
  2. a vessel, as a kettle, for boiling or heating.
  3. a large tub in which laundry is boiled or sterilized.
  4. a tank in which water is heated and stored, as for supplying hot water.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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