n.
1.the application of maximum thrust
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
3.fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
Idiom of the Day
draw a line betwen two things
to separate two things
We must draw a line between using the Internet for work and using it for personal use.
