siren
noun
[ ˈsʌɪr(ə)n ]
• a device that makes a loud prolonged signal or warning sound.
• "ambulance sirens"
• each of a number of women or winged creatures whose singing lured unwary sailors on to rocks.
• an eel-like American amphibian with tiny forelimbs, no hindlimbs, small eyes, and external gills, typically living in muddy pools.
Origin:
Middle English (denoting an imaginary type of snake): from Old French sirene, from late Latin Sirena, feminine of Latin Siren, from Greek Seirēn .
siren song
• used in reference to the appeal of something that is alluring but also potentially harmful or dangerous.
• "a mountaineer who hears the siren song of K2"