lamia
Concise Oxford English Dictionary © 2008 Oxford University Press:
lamia /ˈleɪmɪə/
▶noun (pl. lamias or lamiae /-ɪiː/) a mythical monster with the body of a woman, supposed to suck the blood of children.
– origin via L. from Gk, denoting a carnivorous fish or mythical monster.
'lamia' also found in these Oxford entries:

