This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Someone who can change their skin at will, especially into that of a wolf; a werewolf.

"But the belief that men under certain conditions could also take the shape of animals is primaeval. . . .The Latins called such a man a turnskin -- versipellis, an expression which exactly agrees with the Icelandic expression for the same thing, and which is probably the true original of our turncoat."