n.
1.a sea nymph (part woman and part bird) supposed to lure sailors to destruction on the rocks where the nymphs lived
2.a woman who is considered to be dangerously seductive
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
Idiom of the Day
for certain
without doubt, certainly, surely
The best player will not be playing in the game tonight for certain.