Siren is a wailing sound made by passing air through a rotating disc, or a beautiful woman who uses sex to attract men, or a mythical female creature that lures men into the sea. 
: a woman who is very attractive but also dangerous: temptress. a Hollywood siren. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. 3. Siren: one of a group of female creatures in Greek mythology whose singing attracted sailors and caused them to sail into dangerous water or toward rocks. More. In classical mythology the Sirens were bird-women whose beautiful singing lured sailors to their doom on submerged rocks. People hear a siren song or siren call when they are attracted to something that is both alluring and potentially harmful or dangerous. 1. Greek Mythology One of a group of sea nymphs who by their sweet singing lured mariners to destruction on the rocks surrounding their island. 2. siren A woman regarded as irresistibly alluring. Noun. 1. Siren-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. sea nymph - (Greek mythology) a water nymph who was the daughter of Oceanus or Nereus. noun. The definition of a siren is a wailing sound made by passing air through a rotating disc, or a beautiful woman who uses sex to attract men, or a mythical female creature that lures men into the sea. 1  An example of a siren is the sound from a police car as it moves through traffic. (plural sirens or sirenes). ( 1 original sense) (Greek mythology) One of a group of nymphs who lured mariners to their death on the rocks. 2  A device, either mechanical or electronic, that makes a piercingly loud sound as an alarm or signal, or the sound from such a device. The sound of a civil defense siren. (file). ( 1 original sense) (Greek mythology) One of a group of nymphs who lured mariners to their death on the rocks. 2  A device, either mechanical or electronic, that makes a piercingly loud sound as an alarm or signal, or the sound from such a device.
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The definition for siren