Blackthorn fruit (4)
'blackthorn fruit' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for sloe that I've seen before include "Sour blackthorn fruit" , "Black fruit" , "Thorny bush with plum-like fruit" , "Fruit steeped in gin to make a liqueur" , "Fruit often used for gin" .)
'blackthorn fruit' is the definition.
(I've seen this in another clue)
This is all the clue.
(Another definition for sloes that I've seen is " Fruit of the blackthorn".)