Definition of: crayon

(krā′ən, -on) noun
1. A small cylinder of charcoal, prepared chalk, or other waxy material, as gypsum, and flour or pipe clay, especially colored, as with graphite, red ocher, etc., for drawing on paper.
2. An oily pencil, used in lithography.
3. A carbon point in an arc light.
4. A drawing made with crayons.
5. A piece of prepared chalk used for marking on blackboards.
—v.t. To sketch or draw with a crayon or crayons. [<F, pencil <craie chalk <L creta]
—cray′on·ist noun