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.
With runners on the corners and two outs in a 2-1 game, Estevez struck out Josh Rojas with a high 97 mph heater to end it. Jesse Newell, Kansas City Star, 8 May 2025 The left-hander, leaning primarily on his heater, slider and changeup, blanked San Diego for 6.2 innings while permitting just three hits and striking out five over 95 pitches. Gary Phillips, New York Daily News, 6 May 2025 At Caldwell’s Syringa Middle School, the breaker trips if a heater and the microwave are turned on at the same time. Becca Savransky, Idaho Statesman, 27 Apr. 2025 With a triple-digit heater and a nasty slider, he’s always been a tantalizing talent. Sahadev Sharma, New York Times, 26 Apr. 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 17 May. 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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