fire·​box | \ ˈfī(-ə)r-ˌbäks How to pronounce firebox (audio) \

Definition of firebox

1 : a chamber (as of a furnace or steam boiler) that contains a fire
2 : a box containing an apparatus for transmitting an alarm to a fire station

Examples of firebox in a Sentence

Recent Examples on the Web

Put another bucket underneath the firebox where the grease tray sits to collect debris. Joe Lindsey, Popular Mechanics, "How to Clean Your BBQ Grill," 14 May 2019 The stove required a firebox to remain fired up all the time. WSJ, "Skier Picabo Street Used Anger to Banish Fear and Become an Olympic Champion," 30 Oct. 2018 When the embers glow red, dump them into the firebox. Steven Raichlen, New York Times, "Cooking Over Wood: A Guide to the Grills," 29 June 2018 The firebox is raised to table height and covered with copper doors. Judy Rose, Detroit Free Press, "West Village Arts and Crafts mansion 'is just spectacular'," 25 May 2018 The fireplace facade is mostly wood but its 16-foot-long hearth and firebox surround is fossilized limestone, similar to the stonework on the home’s exterior. Cynthia Billhartz Gregorian, kansascity, "Take a look around this million-dollar modern ranch in Old Leawood | The Kansas City Star," 25 Apr. 2018 Aside from the wall of windows in the two-story living room, the focal point in the living room is the steel firebox. Birmingham Magazine,, "See the ultra-modern transformation of one traditional home," 17 Apr. 2018 Stainless steel pans sit on top of an arch, or firebox, and Roleau uses a hard-wood fire to evaporate the remaining water, thicken the sap and caramelize the sugar. Thomas Farragher,, "A sweet romance in pursuit of their maple-coated dream," 27 Mar. 2018 Accents also highlight one of the home’s original four fireplaces, with worn wood and ornate designs on its firebox cover. ‘ Madeleine Winer, The Courier-Journal, "Antique meets modern in renovated 150-year-old Italianate home in Butchertown," 3 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'firebox.' 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 firebox

1735, in the meaning defined at sense 1

Keep scrolling for more

Learn More about firebox

Dictionary Entries near firebox


fire boss






Statistics for firebox

Last Updated

19 May 2019

Look-up Popularity

Time Traveler for firebox

The first known use of firebox was in 1735

See more words from the same year

More from Merriam-Webster on firebox

Rhyming Dictionary: Words that rhyme with firebox

Comments on firebox

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


to move with exaggerated bouncy motions

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
Spell It

Can you spell these 10 commonly misspelled words?


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!