Noun Definition
firewall
1.Definition: (colloquial) the application of maximum thrust
"He moved the throttle to the firewall"
Category: General2.Definition: (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
Category: Objects3.Definition: a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
Category: Objects