What is "xylograph"

Xylograph \Xy"lo*graph\, n. [Xylo- + -graph.] An engraving on wood, or the impression from such an engraving; a print by xylography.

n. 1 An engraving in wood, especially one used for printing. 2 A print taken from an engraving in wood. vb. (context transitive English) To make a print from an engraving in wood.