Siren (
http://definr.com/Siren)
n 1: a sea nymph (part woman and part bird) supposed to lure
sailors to destruction on the rocks where the nymphs
lived; "Odysseus ordered his crew to plug their ears so
they would not hear the Siren's fatal song" [syn:
Siren]
2: a woman who is considered to be dangerously seductive [syn:
enchantress,
temptress,
Delilah,
femme fatale]
3: a warning signal that is a loud wailing sound
4: an acoustic device producing a loud often wailing sound as a
signal or warning
5: eel-like aquatic North American salamander with small
forelimbs and no hind limbs; have permanent external gills