were ‧ wolf /ˈweəwʊlf, ˈwɪə- $ ˈwer-, ˈwɪr-/ BrE AmE noun ( plural werewolves /-wʊlvz/) [countable]
[ Language: Old English ; Origin: werwulf , from wer 'man' + wulf 'wolf' ]
a person who, in stories, changes into a ↑ wolf every month when the moon is full