Noun

• S: (n) boiler, steam boiler (sealed vessel where water is converted to steam)
• direct hyponym / full hyponym
• part meronym
• member meronym
• direct hypernym / inherited hypernym / sister term
• part holonym
• S: (n) heating system, heating plant, heating, heat (utility to warm a building) "the heating system wasn't working"; "they have radiant heating"
• S: (n) steam engine (external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder)
• derivationally related form
• S: (n) kettle, boiler (a metal pot for stewing or boiling; usually has a lid)