D defs.my
Entry 3 senses Webster, 1913

Grainer

/(grān"ẽr)/ · Grain·er · IPA /ˈɡɹeɪ̯.nɚ/
01 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.
  1. 1.
    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. Also: grains, bate.
  2. 2.
    A knife for taking the hair off skins.
  3. 3.
    One who paints in imitation of the grain of wood, marble, etc.; also, the brush or tool used in graining.