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. [1913 Webster]
The color so laid on. Also used figuratively. [1913 Webster]
"Shining above the brown scumbling of leafless orchards."
[1913 Webster]