Crossword Genius

Arrest to put king in trouble (5)

Ross

I believe the answer is:

check

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'arrest' is the definition.
('check' can be a synonym of 'arrest')

I cannot understand how the rest of the clue works.

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(Other definitions for check that I've seen before include "Verify; chess move" , "Suppress" , "Examine < crack" , "Restrain; vet" , "threat to king" .)

I've seen this clue in The Independent.
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