1) Engraving 2) Writing 
Cerography or glyphography is a printmaking technique related to engraving, using a layer of wax over a metal substrate. After the image is engraved into the wax, a positive plate is produced through stereotyping or electrotyping. This plate can be used with conventional letterpress equipment. Cerography was invented in the late 1830s by Sidney E....
writing or printing on plates spread with wax
• (n.) A method of making stereotype plates from inscribed sheets of wax. • (n.) The art of making characters or designs in, or with, wax.
Ce·rog'ra·phy noun [ Greek 
cerography, cerograph 1. Writing or painting on or in wax. 2. Applied to the encaustic painting of the ancients. 3. Engraving on wax spread on a sheet of copper, from which a stereotype plate is taken.
the process of writing or engraving on wax.