colloquial The application of maximum thrust.

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.

Dutch: vuurmuur, firewall
Polish: firewall, zapora ogniowa

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

Dutch: brandmuur