(n) an irregular arrangement of patches of color, Example:it was not dull grey as distance had suggested, but a mottle of khaki and black and olive-green
v. t. [ imp. & p. p. Mottled p. pr. & vb. n. Mottling ] [ From Mottled. ] To mark with spots of different color, or shades of color, as if stained; to spot; to maculate. [ 1913 Webster ]