Calls round to meet saint (5)

I believe the answer is:

rings

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'calls' is the definition.
('ring' can be a synonym of 'call')

'round to meet saint' is the wordplay.
'round' becomes 'ring' (synonyms).
'to' is a charade indicator (letters next to each other).
'meet saint' becomes 's' (I am not sure about the 'meet' bit.).
'ring'+'s'='RINGS'

Can you help me to learn more?

(Other definitions for rings that I've seen before include "Spaces used for boxing" , "Calls; circles" , "They fix the markets" , "phones" , "See 12" .)

I've seen this clue in The Independent.

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