sandpaper

Heavy paper coated on one side with sand or other abrasive material and used for smoothing surfaces.

To rub with or as if with sandpaper.

To rub, smooth, or polish with sandpaper.

Hence, figuratively To make smooth or even; polish, as a literary composition.

Stout paper coated with hot glue and then sprinkled with sharp sand of different degrees of fineness.

Paper covered on one side with sand glued fast, — used for smoothing and polishing.

To smooth or polish with sandpaper.

a strong paper coated with sand or other abrasive material for smoothing and polishing.

a sheet of such paper

To polish or grind (a surface) with or as if with sandpaper.