Crossword Genius

Hand gesture (4)

Ross

I believe the answer is:

wave

'hand gesture' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for wave that I've seen before include "Drive forward" , "Ridge in sea or hair" , "Undulating curve" , "Fasten; neckwear" , "Move hand in farewell" .)

I've seen this clue in The Star Tribune and the Penny Press.
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