Siren

n.	1.	(Class. Myth.) One of three sea nymphs, - or, according to some writers, of two, - said to frequent an island near the coast of Italy, and to sing with such sweetness that they lured mariners to destruction. Next where the sirens dwell you plow the seas; Their song is death, and makes destruction please. - Pope.
	2.	An enticing, dangerous woman.
	3.	Something which is insidious or deceptive. Consumption is a siren. - W. Irving.
	4.	A mermaid.
	5.	(Zool.) Any long, slender amphibian of the genus Siren or family Sirenidæ, destitute of hind legs and pelvis, and having permanent external gills as well as lungs. They inhabit the swamps, lagoons, and ditches of the Southern United States. The more common species (Siren lacertina) is dull lead-gray in color, and becames two feet long.
	6.	(Acoustics) An instrument for producing musical tones and for ascertaining the number of sound waves or vibrations per second which produce a note of a given pitch. The sounds are produced by a perforated rotating disk or disks. A form with two disks operated by steam or highly compressed air is used sounding an alarm to vessels in fog.
a.	1.	Of or pertaining to a siren; bewitching, like a siren; fascinating; alluring; as, a siren song.

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"
	2.	siren - a woman who is considered to be dangerously seductive Synonyms: enchantress, femme fatale, temptress, Delilah
	3.	siren - a warning signal that is a loud wailing sound
	4.	siren - an acoustic device producing a loud often wailing sound as a signal or warning
	5.	siren - eel-like aquatic North American salamander with small forelimbs and no hind limbs; have permanent external gills

Circe, Davy, Davy Jones, Don Juan, Dylan, Euryale, Gorgon, Jezebel, Klaxon, Lorelei, Mayday, Medea, Medusa, Neptune, Nereid, Nereus, Oceanid, Oceanus, Parthenope, Poseidon, SOS, Siren, Stheno, Thetis, Triton, Varuna, air-raid alarm, alarm, alarm bell, alarm clock, alarm signal, alarum, alert, all clear, alluring, appealing, appetizing, attracting, attractive, beacon, beguiling, beldam, bewitcher, bewitching, bitch-kitty, blandishing, blinking light, boiler factory, boiler room, bull-roarer, burglar alarm, buzzer, cajoling, captivating, catcall, catching, charismatic, charmer, charming, cherry bomb, clack, clacker, clapper, coaxing, come-hither, coquette, coquettish, cracker, cricket, crostarie, drawing, enchanter, enchanting, enchantress, engaging, enravishing, enthralling, enticer, enticing, entrancing, exciting, exotic, fascinating, femme fatale, fetching, fiery cross, fire alarm, fire bell, fire flag, firecracker, five-minute gun, flashing light, flirt, flirtatious, fog bell, fog signal, foghorn, fresh-water nymph, fury, gale warning, glamorous, grimalkin, hag, hellcat, hellhag, hooter, horn, hue and cry, hurricane warning, hypnotic, interesting, intriguing, inveigler, inviting, irresistible, kelpie, lighthouse, limniad, magnetic, man fish, mermaid, merman, mesmeric, mouth-watering, naiad, nix, nixie, noisemaker, note of alarm, occulting light, ocean nymph, piquant, police whistle, prepossessing, provocative, provoquant, rattle, rattlebox, ravishing, sea devil, sea god, sea nymph, sea-maid, sea-maiden, seaman, seducer, seducing, seductive, seductress, she-devil, she-wolf, signal, signal of distress, sirenic, small-craft warning, snapper, sorceress, spellbinder, spellbinding, spellful, steam whistle, still alarm, storm cone, storm flag, storm warning, taking, tantalizing, teaser, teasing, tempter, tempting, temptress, termagant, tickling, ticktack, tigress, titillating, titillative, tocsin, two-minute gun, undine, upside-down flag, vamp, vampire, virago, vixen, wailer, warble, warning, water god, water spirit, water sprite, whistle, whizgig, whizzer, wildcat, winning, winsome, witch, witching