SEED [C, U] › a seed or seeds from types of grass which are eaten as food: grains of wheat/rice PIECE [C] › a very small piece of something: a grain of sand/sugar QUALITY [no plural] › a very small amount of a quality: There isn't a grain of truth in her story. the grain › the natural direction and pattern of lines which you can see in wood or material: to cut something along/against the grain
→ See also take sth with a pinch of salt