Dog tooth (6)

I believe the answer is:

canine

'dog tooth' is the definition.
(I know that dog tooth can be written as canine)

This is the entire clue.

(Other definitions for canine that I've seen before include "Dog-like" , "A tooth; of our best friend" , "Maybe setter" , "Fang" , "Relating to dogs" .)

I've seen this clue in The Times, The Everyman puzzle in The Observer and The Sun.

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