Crossword Genius

Duke finished port (5)

Ross

I believe the answer is:

dover

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

'duke finished' is the wordplay.
'duke' becomes 'd'.
'finished' becomes 'over' ('over' can be similar in meaning to 'finished').
'd'+'over'='DOVER'

(Other definitions for dover that I've seen before include "UK shipping forecast area" , "fish" , "White cliffs port" , "Kent ferry port" , "Channel port" .)

I've seen this clue in The Independent and The Guardian.
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