Crossword Genius

Hand signal (4)

Ross

I believe the answer is:

wave

'hand signal' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for wave that I've seen before include "Breaker; hand gesture" , "Hand signal; surge" , "Roller - breaker" , "Flourish" , "Shake a hand in the air" .)

I've seen this clue in The Guardian.
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