Coarse abrasive (5)
I believe the answer is:
emery
(Other definitions for emery that I've seen before include "Coating on paper used as an abrasive" , "Abrasive form of corundum" , "old comedian" , "Rock used as abrasive" , "Abrasive material" .)
I believe the answer is:
emery
(Other definitions for emery that I've seen before include "Coating on paper used as an abrasive" , "Abrasive form of corundum" , "old comedian" , "Rock used as abrasive" , "Abrasive material" .)