Definition of siren | Collins English Dictionary

siren (ˈsaɪərən)

a device for emitting a loud wailing sound, esp as a warning or signal, typically consisting of a rotating perforated metal drum through which air or steam is passed under pressure
(sometimes capital) Greek mythology one of several sea nymphs whose seductive singing was believed to lure sailors to destruction on the rocks the nymphs inhabited
1. a woman considered to be dangerously alluring or seductive
2. ((as modifier) ⇒ her siren charms
any aquatic eel-like salamander of the North American family any aquatic eel-like salamander of the North American family Sirenidae, having external gills, no hind limbs, and reduced forelimbs

C14: from Old French sereine, from Latin sīrēn, from Greek seirēn

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British English: siren A siren is a warning device which makes a long, loud, wailing noise. Most fire engines, ambulances, and police cars have sirens.We heard a police siren.ˈsaɪərən NOUN We heard a police siren.
Spanish: sirena nf
French: sirène nf
German: Sirene nf
Chinese: 汽笛 n
Arabic: صَفَّارَةُ الْإِنْذَار n
Portuguese: sirene nf
Russian: сирена nf
Croatian: sirena nf
Czech: siréna nf
Danish: sirene nutr
Dutch: sirene nf
Finnish: sireeni n
Greek: σειρήνα nf
Italian: sirena nf
Japanese: サイレン n
Korean: 경적 n
Norwegian: sirene nm
Polish: syrena nf
Brazilian Portuguese: sirene nf
European Spanish: sirena nf
Swedish: siren nutr
Thai: เสียงสัญญานเตือนภัย n
Turkish: siren n
Vietnamese: còi báo động n

Somewhere below in the busy street he heard the wailing note of a police siren.
Barbara Erskine, HIDING FROM THE LIGHT (2002)
"There's been a lot of discussion over several years about using a siren or signal to move whales out of the way," he told New Scientist.
New Scientist (2003)
Midfielder Brad Scott sent the Lions into halftime with a 46-point lead by kicking a goal after the siren.
Courier, Sunday Mail (2004)
When the firefighters of New York hear the bell or the siren or the voice of the dispatcher, they know what's coming.
Glasgow Herald (2001)
Somehow the wailing siren seemed to signal the presence of a larger threat at hand.
Jon Snow, SHOOTING HISTORY: A Personal Journey (2004)