n. A pencil-shaped piece of colored clay, chalk, or charcoal, used for drawing upon paper.n. A pencil made of a composition of soap, resin, wax, and lampblack, used for drawing upon lithographic stones.n. One of the carbon-points in an electric lamp.Drawn with crayons: as, a crayon sketch.To sketch or draw with a crayon.Hence To sketch in general; plan; commit to paper one's first thoughts.