A drink like water, that's clear (3)

I believe the answer is:

gin

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'a drink' is the definition.
(gin is a kind of drink)

I don't understand the rest of the clue.

(Other definitions for gin that I've seen before include "Common spirit" , "Spirit; trap" , "Colourless spirit flavoured with juniper berries - mother's ruin" , "Strong drink - trap" , "Spirit; cotton machine" .)

I've seen this clue in the Evening Standard.

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