Drink Church of Scotland finally banned (3)

I believe the answer is:

kir

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'drink' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

(Other definitions for kir that I've seen before include "Drink of white wine and cassis" , "Cocktail" , "White wine with blackcurrant syrup" , "Cassis-flavoured wine" , "One that's drunk" .)

I've seen this clue in The Independent.

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