|1.||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|
|2.||(sometimes capital) Greek myth one of several sea nymphs whose seductive singing was believed to lure sailors to destruction on the rocks the nymphs inhabited|
|3.||a. a woman considered to be dangerously alluring or seductive|
|b. (as modifier): her siren charms|
|4.||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]|
In classical mythology, evil creatures who lived on a rocky island, singing in beautiful voices in an effort to lure sailors to shipwreck and death. Odysseus ordered his crew to plug their ears to escape the Sirens' fatal song.
Note: Figuratively, a “siren” is a beautiful or tempting woman; a “siren song” is any irresistible distraction.