Cross references: 1. measure 1. grain \'gra-n\ \'gra-nd\ n [ME, partly fr. MF grain cereal grain, fr. L granum; partly fr. MF]graine seed, kermes, fr. L grana, pl. of granum - more at CORN obs 1a1: a single small hard seed 1a2: a seed or fruit of a cereal grass 1b: the seeds or fruits of various food plants including the cereal grasses and in commercial and statutory usage other plants 1c: plants producing grain 2a: a small hard particle or crystal 2b: a minute portion or particle 2c: fine crystallization 3a: kermes or a scarlet dye made from it 3b: cochineal or a brilliant scarlet dye made from it 3c: a fast dye archaic 3d: COLOR, TINT 4a: a granulated surface or appearance 4b: the outer or hair side of a skin or hide 5: a unit of weight based on the weight of a grain of wheat taken as an ave rage of the weight of grains from the middle of the ear 6a: the stratification of the wood fibers in a piece of wood 6b: a texture due to constituent particles or fibers 7: tactile quality 8a: natural disposition : TEMPER 8b: basic quality or kind : SKEPTICALLY {take his predictions with a grain of salt} - grained aj 2. grain vt 1: INGRAIN 2: to form into grains : GRANULATE 3: to paint in imitation of the grain of wood or stone : to become granular : GRANULATE - grain.er n