Crossword Genius

Short cut that's taken by copper (5)

Ross

I believe the answer is:

bobby

'copper' is the definition.
(thesaurus)

'short cut that's taken by' is the wordplay.
'short cut' becomes 'bob' (I have seen 'Short cut' mean 'bob' so perhaps 'cut' could also mean 'bob'; 'short' asks for an abbreviation).
'that's taken' says to put letters next to each other.
'bob'+'by'='BOBBY'

(Other definitions for bobby that I've seen before include "Policeman (sl.)" , "Policeman (colloq.)" , "Peeler" , "- Moore, World Cup winning captain" , "Policeman; man's name" .)

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