Definition of civil defense
: the system of protective measures and emergency relief activities conducted by civilians in case of hostile attack, sabotage, or natural disaster
Examples of civil defense in a sentence
She's in training to be part of the local civil defense.
the head of civil defense
First Known Use of civil defense
CIVIL DEFENSE Defined for English Language Learners
Definition of civil defense for English Language Learners
: a group of people who are not part of the military but are trained to protect and help people if an enemy attacks their country or if there is a natural disaster (such as a flood or earthquake)
Learn More about civil defense
Britannica.com: Encyclopedia article about civil defense
Seen and Heard
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