A mechanical linkage based on parallelograms causing two objects to move in parallel; notably as a drawing aid.
A pantograph can be adjusted to make either scaled or exact copies.
By extension, a structure of crosswise bars linked in such a way that it can extend and compress like an accordion, such as in a pantograph mirror or a scissor lift.
A pattern printed on a document to reduce the ease of photocopying.
I was impressed by the quality of the pantograph; I hadn't noticed it on the original, but the copies were covered in unpleasant lines.
A similarly-formed conductive device, now usually Z-shaped, that collects electric current from overhead lines for trains and trams.
A Classical comic actor, especially one who works mainly through gesture and mime.
The drama in ancient Greece and Rome featuring such performers; or (later) any of various kinds of performance modelled on such work.
A traditional theatrical entertainment, originally based on the commedia dell'arte, but later aimed mostly at children and involving physical comedy, topical jokes, call and response, and fairy-tale plots.
Gesturing without speaking; dumb-show, mime.