Thick-pile fabric (5)
I believe the answer is:
plush
'thick-pile fabric' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for plush that I've seen before include "Cut pile, softer than velvet" , "Fabric with a long velvety pile" , "Rich fabric" , "Fabric; richly luxurious" .)