Character played by Bebe Neuwirth in Cheers and Frasier (6)
I believe the answer is:
lilith
(Other definitions for lilith that I've seen before include "In Jewish folklore, Adam's first wife before Eve" , "Witch" , "Adam's first wife? - Frasier Crane's second ex-wife" , "In Jewish myth, Adam's first wife before Eve" , "In some sources she was the first wife of Adam" .)