| v. t. | 1. | (Fine Arts) 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. |
| Noun | 1. | scumble - the application of very thin coat of color over the surface of a picture |