Noun: pantograph 'pan-tu,grãf
- Mechanical device used to copy a figure or plan on a different scale
"The architect used a pantograph to resize the building plans"
- A joined frame mounted on the roof of an electric train, tram or electric bus to collect power from overhead cables
"The tram's pantograph sparked as it connected with the overhead wire"
Derived forms: pantographs
Type of: mechanical device
Encyclopedia: Pantograph