Source : Webster's Revised Unabridged Dictionary (1913)

Grain \Grain\, v. t. [imp. & p. p. {Grained}; p. pr. & vb. n.
   {Graining.}]
   1. To paint in imitation of the grain of wood, marble, etc.

   2. To form (powder, sugar, etc.) into grains.

   3. To take the hair off (skins); to soften and raise the
      grain of (leather, etc.).

Graining \Grain"ing\, n.
   1. Indentation; roughening; milling, as on edges of coins.
      --Locke.

   2. A process in dressing leather, by which the skin is
      softened and the grain raised.

   3. Painting or staining, in imitation of the grain of wood,
      atone, etc.

   4. (Soap Making) The process of separating soap from spent
      lye, as with salt.

Graining \Grain"ing\, n. (Zo["o]l.)
   A small European fresh-water fish (Leuciscus vulgaris); -
   called also dobule, and dace.

Source : WordNet®

graining
     n : a texture like that of wood [syn: {woodgraining}]