Gin, say, needs flavouring, but no ice (6)

I believe the answer is:

liquor

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'gin say' is the definition.
(gin is a kind of liquor)

I don't understand the remainder of the clue.

(Other definitions for liquor that I've seen before include "Alcoholic beverage" , "Alcoholic spirits" , "Alcoholic drink, booze" , "Any alcoholic drink made from distillation" , "'Hard' drink" .)

I've seen this clue in The Times.

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