Crossword Genius

Rod will do a swap with you (6)

Ross

I believe the answer is:

switch

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'rod' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for switch that I've seen before include "Contact maker or breaker" , "Light whip - light control" , "Electrical control - change sides" , "Change over - whip" , "Sudden change; a rod" .)

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