wererat
nounUK /ˈwɪəɹæt/ · US /ˈwɛɹæt/
Etymology From were- + rat.
1
Fiction, Literature, Media, Publishing A shapeshifter who can assume the shape of a rat.
- The only other animal he'd seen hadn't been an animal at all, but a wererat who had given him a curious look before darting away into an alley.2006, Christine Warren, Wolf at the Door: A Novel of The Others, page 205: