firewall

Noun
  1. (colloquial) the application of maximum thrust (synset 100104908)
    "he moved the throttle to the firewall"
    domain usage: colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
    is a type of: drive, driving force, thrust - the act of applying force to propel something
  2. (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 (synset 103352988)
    referred to in: computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures
    is a type of: security system - (computing) a system that enforces boundaries between computer networks
  3. A fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle (synset 103352826)
    is a type of: wall - an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure

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