civil defense

1. 1.

   activities organized by civilians for their own protection in time of war or disaster

   Broaderprotection

   Narrowerfire watching

Questions about civil defense

What does civil defense mean?

civil defense means "activities organized by civilians for their own protection in time of war or disaster".

Is civil defense a common word?

civil defense is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.