Crossword Genius

Back biters? (6)

Ross

I believe the answer is:

molars

'back biters?' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Another definition for molars that I've seen is " Grinding back teeth".)

I've seen this clue in The Washington Post, The Sun, The Wall Street Journal and the King Feature Syndicate.
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