firewall has definitions from the fields of architecture,computer science
1
[ noun ] (informal) the application of maximum thrust

Examples

"he slammed the throttle to the firewall"

Used in print

(Donald J. Plantz, Sweeney Squadron....)

Greg slammed his throttle to the fire_wall and rammed up the RPM , and the engine responded as if it had been waiting .

Related terms

drive colloquialism

2
[ noun ] (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
[ noun ] (architecture) fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building

Related terms

wall

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