Papyrograph

n. [ Papyrus + -graph. ] An apparatus for multiplying writings, drawings, etc., in which a paper stencil, formed by writing or drawing with corrosive ink, is used. The word is also used of other means of multiplying copies of writings, drawings, etc. See Copygraph, Hectograph, Manifold. [ Obsolescent ] [ 1913 Webster +PJC ]