[{"Bold_text": "noun", "List Items": ["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.Compare fire-tube boiler fire-tube boiler, water-tube boiler water-tube boiler.", "a vessel, as a kettle, for boiling boil boiling boilingor heating.", "British.a large tub in which laundry is boiled boil boilor sterilized.", "a tank in which water is heated and stored, as for supplying hot water."]}]