A siren that makes a very loud alarm sound to warn the population of an upcoming air raid.

Like, or appropriate to, a siren; deceptive; fascinating.

(physics) A gravitational wave source of known loudness.

Synonym of siren song

(zoology) Any member of the family Sirenidae of salamanders.

(zoology, obsolete) A larval or neotenic salamander (e.g. the axolotl, Ambystoma mexicanum).

plural of siredon

(informal) The AFL siren controversy surrounding the result of an Australian rules football match of 2006, when a point was scored after the end of the game because the umpire did not hear the siren.

A one-piece garment for the whole body, originally designed to be put on while making one's way to an air-raid shelter.

plural of siren suit