Chew (9)
There are a few possibilities for this:
masticate
'chew' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for bite that I've seen before include "Grip with teeth" , "Injury from teeth" , "Get teeth into" , "(Of fish) take the bait" , "Light meal" .)
'chew' is the definition.
(I know that gnaw is a kind of chew)
This is all the clue.
(Other definitions for gnaw that I've seen before include "Bite like a rodent" , "What rodents typically do" , "Chew steadily at" , "Wear away with the teeth" , "Chew or crunch at" .)
'chew' is the definition.
(I know that chew can be written as masticate)
This is all the clue.
(Other definitions for masticate that I've seen before include "Crush" , "Process food" , "Torpor" , "deal with mouthful" , "champ" .)