Master managed to flow (6)

I believe the answer is:

stream

'to flow' is the definition.
(I know that stream is a kind of course)

'master managed' is the wordplay.
'managed' indicates an anagram.
'master' anagrammed gives 'STREAM'.

(Other definitions for stream that I've seen before include "Torrent" , "course" , "Brook or rivulet" , "Flow of water on land" , "group of pupils split by ability" .)

I've seen this clue in The Mirror.

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