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English definition of “siren”


noun [C] (DEVICE)    /ˈsaɪə.rən/ US  /ˈsaɪr.ən/
C2 a device for making a loud warning noise : police sirens When the air raid siren went off people ran to their shelters .Emergency services in generalThreats and warnings
(Definition of siren noun (DEVICE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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