Rubbish a Conservative’s spinning (8)

I believe the answer is:

rotatory

'spinning' is the definition.
(rotatory describes something which rotates)

'rubbish a conservative's' is the wordplay.
'rubbish' becomes 'rot' (both can mean nonsense).
'conservative' becomes 'tory' (informal term for a Conservative Party member).
'rot'+'a'+'tory'='ROTATORY'

(Other definitions for rotatory that I've seen before include "Revolving about an axis" , "Going round" , "Associated with spinning" , "circular route?" , "Revolutionary" .)

I've seen this clue in The Times.

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