A musical instrument, one of the few aerophones in the percussion section of the symphony orchestra (patented as Acme Siren in 1895).
An astrophysical event that can be used for calculating cosmic distances.
A dangerously seductive woman.
A member of a genus of aquatic salamanders of the family Sirenidae, commonly used for all species subsumed under the family of Sirenidae.
A member of an order of mammals of Sirenia.
One of a group of nymphs who lured mariners to their death on the rocks.
One who sings sweetly and charms.
Any of various nymphalid butterflies of the genus Hestina.
A device, either mechanical or electronic, that makes a piercingly loud sound as an alarm or signal, or the sound from such a device (first recorded 1879).
An instrument for demonstrating the laws of beats and combination tones.
To make a noise with, or as if with, a siren.
Relating to or like a siren.