WEREWOLF
werewolf, wolfman, lycanthrope, loup-garou
(noun) a monster able to change appearance from human to wolf and back again
Source: WordNet® 3.1
Etymology
Noun
werewolf (plural werewolves)
(mythology) A person who is transformed or can transform into a wolf or a wolflike human, often said to transform during a full moon.
Synonyms
• wolfman
• lycanthrope
• man-wolf
Hyponyms
• wolfwoman
Source: Wiktionary
Were"wolf`, n.; pl. Werewolves. Etym: [AS. werwulf; wer a man + wulf
a wolf; cf. G. wärwolf, währwolf, wehrwolf, a werewolf, MHG. werwolf.
Were a man, and Wolf, and cf. Virile, World.]
Definition: 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 werwolf went about his prey. William of Palerne.
The brutes that wear our form and face, The werewolves of the human
race. Longfellow.
Source: Webster’s Unabridged Dictionary 1913 Edition