Scumble
Pronunciation : Scum"ble
Part of Speech : v.
Etymology : [Freq. of scum. sq. root 158.] (Fine Arts)
Definition : Defn: To cover lighty, as a painting, or a drawing, with a thin wash of opaque color, or with color-crayon dust rubbed on with the stump, or to make any similar additions to the work, so as to produce a softened effect.
t. [imp. & p. p. Scumbled; p. pr. & vb. n. Scumbling.]
Source : Webster's Unabridged Dictionary, 1913