Crossword Genius

Vile wine-lover; a glutton naturally (9)

Ross

I believe the answer is:

wolverine

I'm a little stuck... Click here to teach me more about this clue!

'a glutton naturally' is the definition.
I can't tell whether this definition defines the answer.

'vile wine-lover' is the wordplay.
'wine-lover' anagrams to 'WOLVERINE'.
However, I am unsure how this is indicated.

Can you help me to learn more?

(Other definitions for wolverine that I've seen before include "Wild animal, also known as glutton" , "wild beast" , "Evil owner of lupine female" , "Large carnivore" , "Large forest mammal - North American glutton" .)

I've seen this clue in The Globe and Mail.
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