civil defense siren 1
noundomain: artefact
EnWordnet [ver.5.0]
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EnglishDefinition
a siren used to provide emergency population warning of approaching danger and sometimes to indicate when the danger has passed.
Examples
- 1.Initially designed to warn of air raids in World War II, civil defense sirens were adapted to warn of nuclear attack and of natural destructive weather patterns such as tornadoes.
