The term 'Lady Vampire' can be summarized as the crossword solution 'Lamia' (5 letters). Lamia is a figure in Greek mythology, described as a female monster with a human upper body and a serpentine lower body. She was believed to be a child-eating demon, and was often associated with the supernatural. Lamia was also sometimes depicted as a beautiful woman who seduced men and then killed them. In modern culture, Lamia is often used as a metaphor for a female vampire.