Crossword Genius

Surprisingly cheap gold headwear (7)

Ross

I believe the answer is:

chapeau

'headwear' is the definition.
(archaic term for a hat)

'surprisingly cheap gold' is the wordplay.
'surprisingly' indicates anagramming the letters.
'gold' becomes 'Au' (Au is the chemical symbol for gold).
'cheap' is an anagram of 'chape'.
'chape'+'au'='CHAPEAU'

(Other definitions for chapeau that I've seen before include "(French) hat" , "Cap (French or heraldic?)" , "Fashionable hat" , "something to put on noodles" .)

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