firebox
noun
fire·box ˈfī(-ə)r-ˌbäks 
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
Example Sentences
Recent Examples on the Web Every Kamado Joe smoker features a firebox with ceramic panels that help prevent cracks, a heat-trapping fiberglass mesh steel gasket, plus an air-lift hinge top and slide-out ash drawer. 
Rachel Klein, Popular Mechanics, 10 July 2022 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. BostonGlobe.com, 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 See More
Rachel Klein, Popular Mechanics, 10 July 2022 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. BostonGlobe.com, 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 See More Word History
First Known Use
1735, in the meaning defined at sense 1
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