The Collaborative International Dictionary
Xylopyrography
Xylopyrography \Xy`lo*py*rog"ra*phy\ n. [Xylo- + Gr. ?, ?, fire + -graphy.] The art or practice of burning pictures on wood with a hot iron; -- called also poker painting. See Poker picture, under Poker.
Wiktionary
xylopyrography
n. (context arts English) the art of burning pictures onto wood