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English definition of “siren”

siren

noun [C] uk   /ˈsaɪə.rən/ us    /ˈsaɪr.ən/

siren noun [C] (DEVICE)

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

siren noun [C] (WOMAN)

(in ancient Greek literature) one of the creatures who were half woman and half bird, whose beautiful singing encouraged sailors to sail into dangerous waters where they diedLegendary and mythological charactersGreek and Roman myth a woman who is considered to be very attractive, but also dangerousPeople who sell sex or are promiscuous
(Definition of siren from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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