Tree above wee statue (8)
I believe the answer is:
figurine
'statue' is the definition.
(I know that figurine is a type of statue)
'tree above wee' is the wordplay.
'tree' becomes 'fig' (fig tree is a kind of tree).
'above' is a charade indicator (letters next to each other) (in a down clue, some letters go above others).
'wee' becomes 'urine' (I've seen this before).
'fig'+'urine'='FIGURINE'
(Other definitions for figurine that I've seen before include "Statuette" , "Fine rug I change for a small carved body" , "moulded object" , "Small piece of sculpture" , "Small statue" .)