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English definition of “boiler”

boiler

noun [C]     /ˈbɔɪ.lər/ US  /-lɚ/
a device that heats water , especially to provide heating and hot water in a house Heaters and burners the part of a steam engine where water is heated to provide power Trains and parts of trains
(Definition of boiler noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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