Crossword Genius

Captain's doctor (4)

Ross

I believe the answer is:

cook

I believe this is a double definition.

'captain's' is the first definition.
(captain james cook)

'doctor' is the second definition.
(thesaurus)

(Other definitions for cook that I've seen before include "Captain of HMS Endeavour" , "Heat food" , "Kitchen worker" , "18th-century explorer" , "Prepare food" .)

I've seen this clue in The Independent.
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