Quiz: Remember the definition of mal de mer?
late Old English werewulf "person with the power to turn into a wolf," from wer "man" (see virile) + wulf (see wolf (n.); also see here for a short discussion of the mythology). Cf. Middle Dutch weerwolf, Old High German werwolf, Swedish varulf. In the ancient Persian calendar, the eighth month (October-November) was Varkazana-, literally "(Month of the) Wolf-Men."
Legendary human beings who are magically transformed into wolves. Werewolves supposedly prowl at night, devouring babies and digging up corpses, and cannot be killed with ordinary weapons. They are particularly associated with the full moon.