sgraffito

/skrəˈfiːtoʊ/
noun
  1. A technique in art or decoration where a top layer of material is scratched away to reveal a different color underneath.
    • She learned the sgraffito technique in her pottery class, scratching designs into the wet clay.
    • In the old church, the walls were decorated with sgraffito showing scenes from the Bible.
    • The artist used sgraffito to create a pattern of white flowers on a dark blue vase.