From Longman Dictionary of Contemporary Englishsirensi‧ren /ˈsaɪərən $ ˈsaɪr-/ noun [countable] 1 TWARNa piece of equipment that makes very loud warning sounds, used on police cars, fire engines etc the wail of the ambulance sirens I heard police sirens in the distance.2 → siren voices/song/call3 ATTRACTa woman who is very attractive but also dangerous to men – used especially in newspapers a Hollywood siren4 → the Sirens
Examples from the Corpus
siren• In the distance a siren wailed.• Voices, music, sirens, horns were louder, brasher, more frantic.• Bet you didn't know, for instance, that there's a nuclear siren right here in the village?• I fall asleep to the drone of sirens and helicopters overhead.• I howl with the blaring of the air raid sirens.• At six, he sounds the siren on his way home to supper and usually is a few minutes fast.• There's this siren going behind me, getting louder and louder, and I turn round to have a look.• With sirens blaring and amber lights flashing, the squad cars slewed to a halt at the rear of a war-torn Cadillac.Origin siren 1. (1300-1400) Old French sereine, from Latin siren, from Greek seiren; 2. French sirène, from Old French sereine 