Crossword Genius

Fight to get rid of something (5)

Ross

I believe the answer is:

scrap

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'fight' is the definition.
(a scrap is a minor fight)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for scrap that I've seen before include "Ditch - fight" , "Small piece; abolish" , "boxing match?" , "Dispose of" , "Oddment" .)

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