Crossword Genius

A scout in jumble sales (8)

Ross

I believe the answer is:

auctions

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

'a scout in jumble' is the wordplay.
'jumble' indicates anagramming the letters.
'scout'+'in'='scoutin'
'scoutin' anagrammed gives 'uctions'.
'a'+'uctions'='AUCTIONS'

(Other definitions for auctions that I've seen before include "Public sales to the highest bidders" , "Cautions about public sales" .)

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