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firebox

American  
[fahyuhr-boks] / ˈfaɪərˌbɒks /

noun

  1. the box or chamber containing the fire of a steam boiler, furnace, etc.

  2. the furnace of a locomotive, where coal, oil, or other fuel is burned to generate steam.

  3. a box or panel with a device for notifying the fire station of an outbreak of fire.

  4. Obsolete. a tinderbox.


firebox British  
/ ˈfaɪəˌbɒks /

noun

  1. the furnace chamber of a boiler in a steam locomotive

  2. an obsolete word for tinderbox

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of firebox

First recorded in 1545–55; fire + box 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

When you dive into the documents, you’ll discover that the shape of the firebox is critical.

From Seattle Times Jan. 16, 2023

The hitching rack, hewn-log tables, campfire ring and firebox all were gone as well.

From Los Angeles Times Oct. 1, 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.

From Washington Post Apr. 11, 2022

You can go to AsktheBuilder.com to learn more about how your firebox should be built and see tables with required dimensions, and also learn more about how chimney caps should be built.

From Seattle Times Nov. 23, 2021

I wouldn’t have been more surprised if I had stuck my finger in the firebox of Mama’s cook stove.

From "Summer of the Monkeys" by Wilson Rawls

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