Definitions for

Overview of noun firewall

The noun firewall has 3 senses? (first 1 from tagged texts)
1. (1) firewall

((colloquial) the application of maximum thrust; "he moved the throttle to the firewall")

2. 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)

3. firewall

(a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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