Crossword Genius

Metal detector? (6)

Ross

I believe the answer is:

copper

I believe this clue is a double definition.

'metal' is the first definition.
(I know that copper is a type of metal)

'detector?' is the second definition.
(I've seen this before)

(Other definitions for copper that I've seen before include "old tub" , "Metal, Cu" , "Busy" , "Little money" , "Reddish metal of a penny" .)

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