Crossword Genius

Twig it's not your own hair (6)

Ross

I believe the answer is:

switch

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'twig' is the definition.
(thesaurus)

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(Other definitions for switch that I've seen before include "Get change" , "Light whip - light control" , "Device for completing or breaking an electrical circuit" , "Swap" , "Cane to control the light" .)

I've seen this clue in the Evening Standard.
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