boiler

noun boil·er \ ˈbȯi-lər \
|Updated on: 14 Aug 2018

Definition of boiler

1 : one that boils
2 a : a vessel used for boiling
b : the part of a steam generator in which water is converted into steam and which consists usually of metal shells and tubes
c : a tank in which water is heated or hot water is stored
d chiefly British : furnace

Recent Examples of boiler from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'boiler.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of boiler

circa 1540

in the meaning defined at sense 1

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BOILER Defined for English Language Learners

boiler

Definition of boiler for English Language Learners

  • : a large container in which water is heated to produce steam in an engine


BOILER Defined for Kids

boiler

noun boil·er \ ˈbȯi-lər \

Definition of boiler for Students

1 : a container in which something is boiled
2 : a tank heating and holding water
3 : a strong metal container used in making steam (as to heat buildings)


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