Crossword Genius

Ordered ace Merlot -- one will turn up eventually (9)

Ross

I believe the answer is:

latecomer

'one will turn up eventually' is the definition.
(a latecomer arrives late)

'ordered ace merlot' is the wordplay.
'ordered' indicates an anagram.
'ace'+'merlot'='acemerlot'
'acemerlot' is an anagram of 'LATECOMER'.

(Other definitions for latecomer that I've seen before include "Recent convert" , "Unpunctual type o" , "Delayed arrival" , "one's a poor timekeeper" , "Recent or tardy arrival" .)

I've seen this clue in The Telegraph.
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