Definition of firewall

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  • firewall is a valid Scrabble US word with a point value of 14
  • firewall is a valid Scrabble UK word with a point value of 14
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Definition of firewall

  • a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle (noun)
  • (colloquial) the application of maximum thrust (noun)

    Examples

    1. he moved the throttle to the firewall
  • (computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet (noun)

See definition of firewall in Merriam Webster