Crossword Genius

Ripple moving in wet vale (7)

Ross

I believe the answer is:

wavelet

'ripple' is the definition.
(synonyms)

'moving in wet vale' is the wordplay.
'moving in' indicates anagramming the letters.
'wet'+'vale'='wetvale'
'wetvale' with letters rearranged gives 'WAVELET'.

I've seen this clue in The Times.
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