n. A painting, generally a portrait, of very small dimensions, usually executed in water-colors, but sometimes in oil, on ivory, vellum, or paper of a thick and fine quality.n. Hence Anything represented on a greatly reduced scale.n. A greatly reduced scale, style, or form.n. Red letter; lettering in red lead or vermilion.n. Anything small or on a small scale.On a small scale; much reduced from natural size.To represent or depict on a small scale.