Crossword Genius

Making a mistake about a jewellery item (7)

Ross

I believe the answer is:

earring

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

'making a mistake about a' is the wordplay.
'making a mistake' becomes 'erring' ('err' can be a synonym of 'make a mistake').
'about' is an insertion indicator.
'erring' enclosing 'a' is 'EARRING'.

(Other definitions for earring that I've seen before include "Lobe pendant" , "Decoration" , "One adorning lobe" , "Aural pendant" , "Dangly ornament" .)

I've seen this clue in The Daily Express.
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