(biology) A member of an order of mammals of Sirenia (first attested in French in Dominique Bouhours, Les entretiens d'Ariste et d'Eugène, 1671).
(biology) A member of a genus of aquaticsalamanders of the family Sirenidae (originally introduced by Linnaeus, 1766, for a genus of his reptiles), commonly used for all species subsumed under the family of Sirenidae.
“If you listen carefully to an ambulance siren or a train whistle, you will notice that the noise sounds higher while the vehicle is approaching, and lower after the vehicle has passed by.”
“She's a voluptuous siren with a husky voice.”
sirene
(uncommon) A slightly crumbly brine cheese made of cow-, sheep-, and/or goat-milk, similar to feta, which is popular in the Balkan peninsula.