grainer/ˈɡɹeɪ̯.nə/EtymologyFrom grain + -er. Piecewise doublet of corner.nameA surname.nounA knife for taking the hair off skins.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.One who grains (paints in imitation of the grain of wood, marble, etc).A brush or tool used for such painting.A grain car.