diaglyph

/ˈdaɪəˌɡlɪf/
noun
  1. A carved or engraved design, especially one that is cut into a surface (intaglio) rather than raised.
    • The artist specialized in diaglyphs, cutting intricate patterns into hard stone.
    • The ancient ring had a diaglyph of a lion carved into the gemstone.
    • Museum visitors admired the diaglyph on the Roman seal, which left a raised impression in wax.
Synonyms
What does "diaglyph" mean? | whatsthatwordmean | whatsthatwordmean