|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]|
any member of the family Sirenidae (order Caudata), a group of four species of aquatic salamanders that resemble eels. Their long, slender bodies are usually brown, dark gray, or greenish. The forelegs are tiny, and the hind legs and pelvis are absent. Young and adults have feathery gills
Learn more about siren with a free trial on Britannica.com.