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fire wall
noun
1
: a wall constructed to prevent the spread of fire
2
usually firewall
: computer hardware or software that prevents unauthorized access to private data (as on a company's local area network or intranet) by outside computer users (as of the Internet)
Examples of fire wall in a Sentence
Recent Examples on the Web
New safety measures include fire walls, state-of-the-art alarms, and sprinklers with a misting system to reduce water impact.
—Dana Thomas, Architectural Digest, 20 Nov. 2024
By next summer, workers are expected to put in new roof coverings, electric cabling and a state-of-the art fire protection system — the old attic had no sprinklers or fire wall.
—Aurelien Breeden, New York Times, 8 Dec. 2023
In those cases, if high winds fan large flames, could a fire wall race through sections of Greater Cleveland?
—Olivia Mitchell, cleveland, 18 Aug. 2023
Fire typically wouldn’t thrive in that rocky terrain, so it’s seen as a fire wall.
—Julie Johnson, San Francisco Chronicle, 4 Sep. 2021
The blue fire wall is going to be an ash heap in political history.
—ABC News, 6 Nov. 2022
The chief said the wooden stick-frame construction also likely helped the fire move quickly, but said the fire wall between the homes did its job and likely accounted for the other family being able to escape without injury.
—Danielle Camilli, USA TODAY, 27 Dec. 2021
Véra stood as the fire wall between Vladimir Nabokov and Humbert Humbert.
—Stacy Schiff, The New Yorker, 5 Mar. 2021
Your teammate can cast a fire wall to herd opponents into your lightning death tube.
—Cecilia D'anastasio, Wired, 16 Sep. 2020
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Word History
First Known Use
circa 1666, in the meaning defined at sense 1
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Cite this Entry
“Fire wall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fire%20wall. Accessed 25 Dec. 2024.
Kids Definition
fire wall
noun1
: a wall for preventing the spread of fire
2
usually firewall
: computer hardware or software that limits access by outside users on a network
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