v. t. To dye in grain, or of a fast color. See Ingrain.
v. t. To incorporate with the grain or texture of anything;
to infuse deeply. See Ingrain.
v. t. To color in imitation of the grain of wood; to grain.
See Grain, v. t., 1.
vt. 使(染料等)透入, 使根深蒂固