n.
- A fireproof wall used as a barrier to prevent the spread of fire.
- Computer Science. Any of a number of security schemes that prevent unauthorized users from gaining access to a computer network or that monitor transfers of information to and from the network.
To apply maximum acceleration or thrust. Used of motor vehicles or aircraft.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
