[Fr., ad. It. acquerella water-color, dim. of acqua:—L. aqua water.] A kind of painting or illuminating with Chinese ink, and very thin, transparent water-colors; used to represent flowers, small landscapes, etc. Also, the design so produced.
1869. Eng. Mech., 2 July, 340/3. The same aniline colours are utilised for the colouring of hanging papers, aquarelles, photographs, etc.
