Verb
To sand using extremely fine-grained sandpaper, using a lubricant such as water or oil to prevent the sandpaper from clogging.
To smooth damp material using a sponge.
Alternative form of wet sand
To sand with fine-grained sandpaper and lubricant.
To smooth with a sponge.
Source: en.wiktionary.orgwet-sand
I am able to approach the Buddhas barefoot and undisturbed, my feet in wet grass, wet sand. Thomas Merton