Accuse the sound of a shower (7)

I believe the answer is:

arraign

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'accuse' is the definition.
(arraigning is a kind of accusing)

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

(Other definitions for arraign that I've seen before include "Impeach" , "Accuse before tribunal" , "Call before a court to answer an indictment" , "Call before court to answer criminal charge" , "Indict, accuse" .)

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

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