boil·​er | \ ˈbȯi-lər How to pronounce boiler (audio) \

Definition of boiler

1 : one that boils
2a : 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

Examples of boiler in a Sentence

Recent Examples on the Web More people voted in favor of a gas boiler upgrade for Reed Intermediate School. New York Times, "A Search for Remembrance After the Sandy Hook Massacre," 1 May 2021 On April 27, 1865, a boiler on the Sultana exploded, engulfing the steamship in flames before sinking it into a muddy grave on the Arkansas side of the Mississippi River. Bill Bowden, Arkansas Online, "Sultana Disaster Museum project to receive state funds," 27 Apr. 2021 Lila Grace embraced Doig’s abstract prints in a colorful, belted boiler suit with short sleeves worn over a white button-down. Janelle Okwodu, Vogue, "Kate and Lila Grace Moss Are the First to Wear Dior’s Artsy New Collaboration," 22 Jan. 2021 An old boiler area, one that hasn't been used in years, also had enough gaps to open a path inside. Jim Riccioli, Milwaukee Journal Sentinel, "'A serious problem': Prairie Home Cemetery's chapel in Waukesha was overrun with mice," 15 Apr. 2021 Snow up to the windows, wind blowing in through the cracks, wife banging on the boiler, 26-year-old Kipling sat down to write. Nina Sovich, WSJ, "Vacation Rentals that Deliver Serenity and Fuel Creativity," 9 Apr. 2021 This is burned in a central boiler in order to heat water that flows to radiators elsewhere in the building. The Economist, "Domestic heating If you can have microwave ovens, why not microwave boilers?," 7 Apr. 2021 Newtown taxpayers will also vote on town and school budgets, a $1.5 million gas boiler authorization, LED lighting for Reed Intermediate School and the $5 million remaining balance on an emergency radio upgrade. Jessika Harkay,, "Permanent Sandy Hook Memorial taxpayer vote scheduled for end of April," 5 Apr. 2021 The photo of the girl holding the ribbon was combined with an image of a deaerator system, which dissolves gases such as oxygen in the boiler feedwater, according to Novatherm. Mckenzie Sadeghi, USA TODAY, "Fact check: False claim of student creating atomic bomb for science project started as satire," 2 Apr. 2021

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.

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First Known Use of boiler

circa 1540, in the meaning defined at sense 1

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Time Traveler for boiler

Time Traveler

The first known use of boiler was circa 1540

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Statistics for boiler

Last Updated

8 May 2021

Cite this Entry

“Boiler.” Dictionary, Merriam-Webster, Accessed 9 May. 2021.

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More Definitions for boiler



English Language Learners Definition of boiler

: a large container in which water is heated to produce steam in an engine
chiefly British : b


boil·​er | \ ˈbȯi-lər How to pronounce boiler (audio) \

Kids Definition of boiler

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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More from Merriam-Webster on boiler

Nglish: Translation of boiler for Spanish Speakers

Britannica English: Translation of boiler for Arabic Speakers Encyclopedia article about boiler

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