Dog's stick found outside home (6)
I believe the answer is:
canine
'dog's' is the definition.
(I've seen this before)
'stick found outside home' is the wordplay.
'stick' becomes 'cane' (cane is a kind of stick).
'found outside' indicates putting letters inside.
'home' becomes 'in' ('he's home' can mean 'he's in').
'cane' placed around 'in' is 'CANINE'.
(Other definitions for canine that I've seen before include "Fang" , "Doggy; tooth" , "Pointed conical tooth" , "such as Lassie" , "Maybe setter" .)