Crossword Genius

In France, the loud call is to make a verbal attack (4,3)

Ross

I believe the answer is:

lash out

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

I don't understand how the remainder of the clue works.

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(Other definitions for lash out that I've seen before include "React aggressively" , "unprovoked attack" , "Attack with blows or words - using whip?" , "spend a fortune" , "fight vigorously" .)

I've seen this clue in the Sydney Morning Herald.
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