Definition of grainer:
(n) :
One who grains (paints in imitation of the grain of wood, marble, etc).
(n) :
A knife for taking the hair off skins.
(n) :
(rail transportation, US) A grain car.
(n) :
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.
(n) :
A brush or tool used for such painting.
(n) :
A surname.