sand
Definitions
A loose granular substance resulting from the erosion of siliceous and other rocks, forming beaches, deserts, and riverbeds.
A light yellowish-brown color resembling that of sand.
To smooth or polish a surface by rubbing it with an abrasive material.
Examples
The children spent the entire afternoon building a large castle out of wet sand.
I had to shake the sand out of my shoes after walking along the beach.