Check, not necessarily visually (3)

I believe the answer is:

see

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'check' is the definition.
(I know that check is a more specific form of the action see)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for see that I've seen before include "Up-and-down motion" , "District of a bishop - or Pope" , "Bishop's seat" , "around cathedral" , "Consider; diocese" .)

I've seen this clue in the Evening Standard.

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