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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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

Word History

First Known Use

circa 1666, in the meaning defined at sense 1

Time Traveler
The first known use of fire wall was circa 1666

Dictionary Entries Near fire wall

Cite this Entry

“Fire wall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fire%20wall. Accessed 21 Dec. 2024.

Kids Definition

fire wall

noun
1
: a wall for preventing the spread of fire
2
usually firewall : computer hardware or software that limits access by outside users on a network
Last Updated: - Updated example sentences
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