Werewolf

Webster's Dictionary

(n.) A person transformed into a wolf in form and appetite, either temporarily or permanently, whether by supernatural influences, by witchcraft, or voluntarily; a lycanthrope. Belief in werewolves, formerly general, is not now extinct.

The Nuttall Encyclopedia

A person transformed into a wolf, or a being with a literally wolfish appetite, under the presumed influence of a charm or some demoniac possession.