werewolf

n.; pl. Werewolves [ AS. werwulf; wer a man + wulf a wolf; cf. G. wärwolf, währwolf, wehrwolf, a werewolf, MHG. werwolf. √285. See Were a man, and Wolf, and cf. Virile, World. ] 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. [ 1913 Webster ]

The werwolf went about his prey. William of Palerne. [ 1913 Webster ]

The brutes that wear our form and face,
The werewolves of the human race. Longfellow. [ 1913 Webster ]