grainer

Etymology
From.

Noun

 * 1) A knife for taking the hair off skins.
 * 2) An infusion of pigeon's dung used by tanners to neutralize the effects of lime and give flexibility to skins; -- called also grains and bate.
 * 3) One who grains (paints in imitation of the grain of wood, marble, etc).
 * 4) A brush or tool used for such painting.
 * 5)  A type of railroad car that carries grain.

Verb

 * 1) to granulate
 * 2) to seed