Coarse cotton cloth (6)
I believe the answer is:
calico
'coarse cotton cloth' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for calico that I've seen before include "White cotton fabric" , "Given material for dress" , "spotted in America" , "Unbleached sixteen down cloth" , "Plain cotton cloth, white or unbleached" .)