Wave to the hairdresser? (6)

I believe the answer is:

comber

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'wave' is the definition.
(I know that comber is a type of wave)

I cannot understand how the rest of the clue works.

(Other definitions for comber that I've seen before include "Large wave - for tidying hair?" , "A big wave or a hair-dresser" , "A long curling sea wave" , "A big wave or a hair-tidier?" , "A large wave that breaks on beach" .)

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

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