noun
1. (colloquial) the application of maximum thrust (Freq. 1)
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he moved the throttle to the firewall
• Usage Domain: ↑colloquialism
• Hypernyms: ↑drive, ↑thrust, ↑driving force
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
• Topics: ↑computer science, ↑computing
• Hypernyms: ↑security system
3. a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
• Hypernyms: ↑wall
Useful english dictionary. 2012.