Badger's home (4)
I believe the answer is:
sett
'badger's home' is the definition.
(term for a badger's home)
This is the entire clue.
(Other definitions for sett that I've seen before include "Badger's residence" , "Badger's home" , "beastly accommodation" , "beastly home" , "Badgers' lair" .)