Firewall — definition

1. firewall (Noun)

firewall (Noun) — (colloquial) the application of maximum thrust. ex. "he moved the throttle to the firewall"

firewall (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.

firewall (Noun) — A fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle.

drive driving force security system thrust wall