Crossword Genius

Noblemen poison wine (9)

Ross

I believe the answer is:

margraves

'noblemen' is the definition.
(margrave is a kind of nobleman)

'poison wine' is the wordplay.
'poison' becomes 'mar' (mar can mean to spoil or poison).
'wine' becomes 'Graves' (wine from the Graves region in France).
'mar'+'graves'='MARGRAVES'

(Other definitions for margraves that I've seen before include "aristocrats abroad" , "Noblemen" .)

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