#1 sand n. a loose material consisting of grains of rock or coral. wn #2 sand v. [sandpaper] rub with sandpaper; "sandpaper the wooden surface". wn #3 sand n. [Sand, George Sand, Amandine Aurore Lucie Dupin, Baroness Dudevant] French writer known for works concerning women's rights and independence (1804-1876). wn #4 sand n. [backbone, grit, guts, moxie, gumption] fortitude and determination; "he didn't have the guts to try it". wn