A switch in production (3)

I believe the answer is:

rod

'a switch' is the definition.
(thesaurus)

'in production' is the wordplay.
'in' indicates the answer is hidden within the clue.
'ROD' can be found hidden inside 'production'.

(Other definitions for rod that I've seen before include "The fly fisherman's stick" , "Baton, pole" , "Angler's equipment" , "Old saying 'Spare the . . . and spoil the child'" , "Little boy" .)

I've seen this clue in the Evening Standard.

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