Body covering of an ovine mammal (9)
I believe the answer is:
sheepskin
'body covering of an ovine mammal' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for sheepskin that I've seen before include "Woolly pelt" , "Body covering of an ovine mammal" , "Ovine outer layer used in coats and rugs" , "leather" , "Fleece garment" .)