Shown by one looking for scraps? (12)

I believe the answer is:

belligerence

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'scraps?' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

I can't explain the remainder of the clue.

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(Other definitions for belligerence that I've seen before include "Aggression" , "Aggressive behaviour" , "Pugnacity" , "sabre-rattling" , "Aggressiveness" .)

I've seen this clue in The Irish News.

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