Crossword Genius

Opiate supplied by Morse, perhaps by means of pill (7)

Ross

I believe the answer is:

codeine

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'opiate' is the definition.
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(Other definitions for codeine that I've seen before include "An anodyne" , "Common painkiller" , "Morphine-derived analgesic; die once (anag.)" , "Analgesic drug" , "Derivative of opium used as an analgesic" .)

I've seen this clue in The Independent.
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