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 The firebox is typically covered by metal that spans the length of the grill, so food cooks over indirect heat versus an open flame like charcoal grills and gas grills. Nicole Papantoniou, Good Housekeeping, 20 May 2022 It's designed with a multipanel firebox to help prevent cracks, as well as an air-lift hinge lid topped with a vent. Rachel Klein, Popular Mechanics, 13 May 2022 Dimensions in kits for mantels and columns start outside the surround, not the firebox, although that’s not always clear in the illustrations that accompany online offerings. Washington Post, 11 Apr. 2022 Moore’s theatrical eye can also be seen in one of the guest bedrooms, which has a fireplace with glossy pink tile surrounding the firebox. Richard A. Marini, San Antonio Express-News, 4 Feb. 2022 Some are scrawled on things as small as firebox, while others fill building walls., 27 Aug. 2021 Each 600-pound steel pit includes a double-walled firebox, 42-inch cook chamber with a water pan shelf and cooking grate, and a removable smokestack that reaches more than six feet high. Andy Wang, Robb Report, 4 Aug. 2021 Once the firebox is clean, rinse it out with a garden hose. Joe Lindsey, Popular Mechanics, 23 Apr. 2021 With the grill grates and flavorizer bars are removed, the inside of the firebox is exposed and ready to be cleaned. Joe Lindsey, Popular Mechanics, 23 Apr. 2021 See More

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.

First Known Use of firebox

1735, in the meaning defined at sense 1

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Time Traveler for firebox

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The first known use of firebox was in 1735

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Last Updated

27 May 2022

Cite this Entry

“Firebox.” Dictionary, Merriam-Webster, Accessed 29 May. 2022.

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