Crossword Genius

Pay a brief visit and ask for help (4,2)

Ross

I believe the answer is:

call in

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'ask for help' is the definition.
(I've seen this in another clue)

'pay a brief visit and' is the wordplay.
'pay a brief visit' becomes 'calli' (I can't explain this - if you can you should believe this answer much more).
'and' becomes 'n' (common abbreviation for 'and').
'calli'+'n'='CALL IN'

Can you help me to learn more?

(Other definitions for call in that I've seen before include "Drop by" , "Visit" .)

I've seen this clue in The Globe and Mail.
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