(1):
(n.) A mode of obtaining a softened effect, in painting and drawing, by the application of a thin layer of opaque color to the surface of a painting, or part of the surface, which is too bright in color, or which requires harmonizing.
(2):
(p. pr. & vb. n.) of Scumble
(3):
(n.) The color so laid on. Also used figuratively.
(4):
(n.) In crayon drawing, the use of the stump.