Drink made by infusing a spirit with the fruit of the blackthorn (4,3)

I believe the answer is:

sloe gin

(Other definitions for sloe gin that I've seen before include "Legions (anag.)" , "Alcoholic infusion" , "Liqueur made with blackthorn fruit" , "Drink needed" , "Blackthorn-fruit flavoured liqueur -- Leo sign (anag)" .)

I've seen this clue in The Times.

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