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.
The blaze could have been purposely started using ignitable liquids that were found in the debris, but the task force couldn’t rule out the possibility that it was started by a heater in the laundry room. Alexis Okeowo, New Yorker, 16 June 2025 That’s a good heater, but Skenes has been known to throw a dozen 100-mph fastballs in a game. Barry M. Bloom, Sportico.com, 13 June 2025 Other environmental elements to consider include direct afternoon sun, hot or cold air (whether from outdoors or from an air-conditioning or heating vent), and heat from a heater or fireplace which dry soils out faster too. Erica Browne Grivas, Better Homes & Gardens, 6 June 2025 The majors’ home run leader struck another bases-empty blast in the sixth, this time on a high heater over the middle. Gary Phillips, New York Daily News, 31 May 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

Browse Nearby Words

Cite this Entry

“Heater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heater. Accessed 19 Jun. 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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