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Definition of Air raid siren
1. Noun. A siren that makes a very loud alarm sound to warn the population of an upcoming danger; usually an air raid or a tornado. ¹
¹ Source: wiktionary.com
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1. Noun. A siren that makes a very loud alarm sound to warn the population of an upcoming danger; usually an air raid or a tornado. ¹
¹ Source: wiktionary.com