Definitions

1. noun

A device for tracing or drawing the outline of objects, especially in relief, as a contour map, by tracing the outline of an object on a sheet of paper by means of a pencil attached to a stylus or other guiding device.

“The artist used a pianograph to create the intricate designs on her artwork.”

2. verb

To draw or trace the outline of (an object) using a pianograph.

“The instructor showed the students how to pianograph a complex shape on the paper.”