Found in the following dictionaries
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Firewall" Definition
noun
A fireproof wall used as a barrier to prevent the spread of fire.
Source: American Heritage Dictionary
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.
Source: American Heritage Dictionary
verb-intransitive
Slang To apply maximum acceleration or thrust. Used of motor vehicles or aircraft.
Source: American Heritage Dictionary
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