Making a piece about hole (3)

I believe the answer is:

gap

'hole' is the definition.
(thesaurus)

'making a piece about' is the wordplay.
'about' indicates the answer is hidden within the clue.
'GAP' is hidden within 'making a piece'.

(Other definitions for gap that I've seen before include "Fissure" , "Hiatus" , "fracture" , "A break or opening as in a hedge" , "Break, hole, space" .)

I've seen this clue in The Mirror.

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