Firewall

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

Type of

Wall

(colloquial) the application of maximum thrust

Usage of

Colloquialism

Examples

He moved the throttle to the 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