heater

noun

heat·​er ˈhē-tər How to pronounce heater (audio)
1
: one that heats
especially : a device that imparts heat or holds something to be heated
2

Examples of heater in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
New York just put together its best full month of the season, an 18-7 September heater punctuated with its ongoing eight-game winning streak. Steven Louis Goldstein, New York Times, 30 Sep. 2025 This East Oak patio heater offers a powerful 50,000 BTU that heats areas up to 18 feet in diameter. Caley Sturgill, Southern Living, 29 Sep. 2025 Aikoper Space Heater The heater has three heat settings and an adjustable thermostat. Sian Babish, PEOPLE, 27 Sep. 2025 Time to turn the heater on as King Sport drives late into the first quarter. Miami Herald, 25 Sep. 2025 See All Example Sentences for heater

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of heater was in the 15th century

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Cite this Entry

“Heater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heater. Accessed 2 Oct. 2025.

Kids Definition

heater

noun
heat·​er ˈhēt-ər How to pronounce heater (audio)
: a device that heats or holds something to be heated

More from Merriam-Webster on heater

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