A mermaid. In ancient mythology, a goddess who enticed men into her power by the charms of music, and devoured them. Hence in modern use, an enticing woman; a female rendered dangerous by her enticements. Sing, siren, to thyself, and I will dote .

A species of lizard in Carolina, constituting a peculiar genus, destitute of posterior extremities and pelvis.

Pertaining to a siren, or to the dangerous enticements of music; bewitching; fascinating; as a siren song.