Crossword Genius

Belly laugh coming from muscular oarsman (4)

Ross

I believe the answer is:

roar

'belly laugh' is the definition.
(roaring laughter)

'coming from muscular oarsman' is the wordplay.
'coming from' indicates a hidden word.
'ROAR' is hidden in the letters of 'muscular oarsman'.

(Other definitions for roar that I've seen before include "Lion's call" , "Deep loud sound as of lion or bull" , "Loud cry" , "Great cry" , "Jaguar, for example, emits this" .)

I've seen this clue in The Times.
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