Firewall (Noun)
Meaning 1
(colloquial) the application of maximum thrust; "he moved the throttle to the firewall".
Classification
Nouns denoting acts or actions.
Hypernyms
Meaning 2
(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.
Classification
Nouns denoting man-made objects.
Meaning 3
A fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle.
Classification
Nouns denoting man-made objects.