Firewall

/fˈa‍ɪ‍əwɔːl/

/ˈfaɪɹwɑɫ/

Firewall

(colloquial) the application of maximum thrust

a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle

(computing) a computer program whose task is providing protection against cyber attacks by limiting outside access of data

Examples

1. The firewall held.

2. We fight the firewalls.

3. Number six is the firewall.

4. The solution is a firewall.