Crossword Genius

Swiss leader detects sound of cutters (6)

Ross

I believe the answer is:

shears

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'cutters' is the definition.
(I know that shears is a type of edge tool)

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

Can you help me to learn more?

(Other definitions for shears that I've seen before include "Large clippers" , "something for lifting loads" , "Garden tool like large scissors" , "Garden cutting implement" , "Big scissors" .)

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