stipple

v. t. [ imp. & p. p. Stippled p. pr. & vb. n. Stippling ] [ D. stippelen to make points, to spot, dot, from stippel, dim. of stip a dot, spot. ] 1. To engrave by means of dots, in distinction from engraving in lines. [ 1913 Webster ]

The interlaying of small pieces can not altogether avoid a broken, stippled, spotty effect. Milman. [ 1913 Webster ]

2. To paint, as in water colors, by small, short touches which together produce an even or softly graded surface. [ 1913 Webster ]