sanding

noun

1.
sugar in the form of large crystals, often used for decoration.
2.
a bare floor polished for dancing; any space or surface designated for dancing
3.
the act of smoothing
4.
a pair of parallel rails providing a runway for wheels
5.
the act of protecting something by covering it
6.
a hand tool with polished agate tips (or other gemstone) for rubbing the gold leaf in order to obtain a highly polished surface, used in gilding.