Dog's coat (6)
I believe the answer is:
afghan
This clue is a double definition.
'dog's' is the first definition.
(I've seen this before)
'coat' is the second definition.
(afghan is a kind of coat)
(Other definitions for afghan that I've seen before include "Native of an Asian republic" , "One from Kabul, perhaps" , "Knitted blanket - sheepskin coat - large dog" , "tongue" , "from somewhere in central Asia" .)