Deer turning on Italian child (7)
I believe the answer is:
bambino
'italian child' is the definition.
(I've seen this before)
'deer turning on' is the wordplay.
'deer' becomes 'bambi' (as in the Disney film).
'turning' is a reversal indicator.
'on' backwards is 'no'.
'bambi'+'no'='BAMBINO'
(Other definitions for bambino that I've seen before include "Baby with an Italian mother?" , "Young child (Italian)" , "youngster" , "Italian child or baby" , "Babe'" .)