civil defense

noun
plans or activities organized by civilians and civilian authorities for the protection of civilian population and property in times of such disasters or emergencies as war or floods.

Origin:
1935–40

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To civil defense
Example sentences
It is not mandatory for a county office to supply personnel for civil defense.
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