\Pan"to*graph\, n. [Panto- + -graph: cf. F. pantographe.] An instrument for copying plans, maps, and other drawings, on the same, or on a reduced or an enlarged, scale. [Written also {pantagraph}, and incorrectly {pentagraph}.] {Skew pantograph}, a kind of pantograph for drawing a copy which is inclined with respect to the original figure; -- also called {plagiograph}.