1.a small hard particle;
a grain of sand
2.foodstuff prepared from the starchy grains of cereal grasses
3.used for pearls or diamonds: 50 mg or 1/4 carat
4.1/60 dram; equals an avoirdupois grain or 64.799 milligrams
5.1/7000 pound; equals a troy grain or 64.799 milligrams
6.dry seedlike fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn
7.the direction or texture of fibers found in wood or leather or stone or in a woven fabric;
saw the board across the grain
1.thoroughly work in;
His hands were grained with dirt
2.paint (a surface) to make it look like stone or wood
3.form into grains
4.become granular