heat·​er | \ˈhē-tər \

Definition of heater 

1 : one that heats especially : a device that imparts heat or holds something to be heated

2 : fastball

Examples of heater in a Sentence

Recent Examples on the Web

But if the engine is not running, the seat heaters will run off the battery. Ray Magliozzi, courant.com, "Car Talk: It's Safe To Use Seat Heaters If Stranded In Snow," 11 July 2018 Another slick take on a serious heater, Izzamuzzic brings some cool after-hour vibes with some noir saxophone, as well as some international passport-stamp style with Middle Eastern percussion. Kat Bein, Billboard, "The 7 Best Pusha T Remixes," 30 May 2018 The seat heater controls are rollers next to the cupholders. Scott Sturgis, Philly.com, "Change comes gradually to the Toyota Sienna," 17 May 2018 But that jump in four-seam spin rate (albeit based on 274 heaters this year and 1,603 last year) is eye-catching. Tom Verducci, SI.com, "Trevor Bauer's Veiled Accusations of the Astros May Have Merit ... But They're Probably Personal," 2 May 2018 From his first pitch — a 93-mph heater to Amed Rosario — Nola dazzled. Scott Lauber, Philly.com, "Aaron Nola picks up Phillies on the mound and at the plate in doubleheader split with Mets," 9 July 2018 The houses in Kabul are cold and the smell of gas from heaters lingers on men’s traditional suits, or payraan tumbaans. Maija Liuhto, Longreads, "A Music So Beautiful the Birds Fell from the Trees," 28 June 2018 Brewer-Garrett installed the whirlpools' new heaters, chemical feed and circulation pumps, and city officials are working with a pool company to facilitate the full repair. Beth Mlady, cleveland.com, "Brook Park 'very close to finish line' on rec center upgrades, City Hall move," 30 Apr. 2018 Amenities include a gas stove, a comfy bed, table, heater, dry toilet, snowshoes and kick sleds. Sarah Sekula, USA TODAY, "Extreme camping: Hang off a cliff, sleep near a volcano, wake up with penguins," 1 Mar. 2018

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

See More

First Known Use of heater

15th century, in the meaning defined at sense 1

Keep scrolling for more

Learn More about heater

Statistics for heater

Last Updated

6 Dec 2018

Look-up Popularity

Time Traveler for heater

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

See more words from the same century

Keep scrolling for more

More Definitions for heater



English Language Learners Definition of heater

: a machine that heats water or air


heat·​er | \ˈhē-tər \

Kids Definition of heater

: a device for heating

Keep scrolling for more

More from Merriam-Webster on heater

Rhyming Dictionary: Words that rhyme with heater

Spanish Central: Translation of heater

Nglish: Translation of heater for Spanish Speakers

Comments on heater

What made you want to look up heater? Please tell us where you read or heard it (including the quote, if possible).


to make faulty or ineffective

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!