sandpaper

noun

1. strong paper coated with a layer of sand or other abrasive, used for smoothing or polishing.

verb (used with object)

2. to smooth or polish with or as if with sandpaper.

noun

1. (formerly) a strong paper coated with sand for smoothing and polishing
2. a common name for glasspaper

verb

3. (tr) to polish or grind (a surface) with or as if with sandpaper

n.also sand-paper, 1788, from sand (n.) + paper (n.). v.1835, from sandpaper (n.). Related: Sandpapered; sandpapering.