sand

(noun) a loose material consisting of grains of rock or coral.

(noun) French writer known for works concerning women's rights and independence (1804-1876). Synonyms: Sand, George Sand, Amandine Aurore Lucie Dupin, Baroness Dudevant.

(noun) fortitude and determination. Synonyms: backbone, grit, guts, moxie, gumption. Example: "He didn't have the guts to try it."

(verb) rub with sandpaper. Synonyms: sandpaper. Example: "Sandpaper the wooden surface."