Muffet's perch (6)
I believe the answer is:
tuffet
'muffet's perch' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for tuffet that I've seen before include "Where arachnophobe sat" , "Miss Muffet's seat" , "Little Miss Muffet sat on hers" .)