Nap on a carpet, e.g (4)
I believe the answer is:
pile
(Other definitions for pile that I've seen before include "Part of reactor" , "lot of money" , "Heap, carpet surface" , "large building" , "Post" .)
I believe the answer is:
pile
(Other definitions for pile that I've seen before include "Part of reactor" , "lot of money" , "Heap, carpet surface" , "large building" , "Post" .)