• (a.) Of or pertaining to the art of cutting and engraving precious stones.
Lith`o·glyph'ic (lĭth`o*glĭf'ĭk) adjective Of or pertaining to the art of cutting and engraving precious stones. 
lithoglyph, lithoglyphic An incision or engraving on stone; an incised or engraved stone; also, the art of engraving on precious stones.