Piglet's pal (3)
I believe the answer is:
roo
'piglet's pal' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for roo that I've seen before include "short jumper" , "Small inhabitant of Hundred Acre Wood" , "Wild animal" , "Kanga's baby (Pooh)" , "young skipper" .)