Firewall Definition
fīrwôl
firewalls
noun
A fireproof wall used as a barrier to prevent the spread of fire.
American Heritage
A software program or hardware device that restricts communication between a private network or computer system and outside networks.
American Heritage
verb
To protect (a computer or computer network) by means of a firewall.
American Heritage
(intransitive, motor vehicles or aircraft, slang) To use maximum acceleration.
Wiktionary
Other Word Forms of Firewall
Noun
Singular:
firewall
Plural:
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