sgraffito

noun, plural sgraf·fi·ti [skrah-fee-tee; Italian zgrahf-fee-tee] /skrɑˈfi ti; Italian zgrɑfˈfi ti/.

1. a technique of ornamentation in which a surface layer of paint, plaster, slip, etc., is incised to reveal a ground of contrasting color.
2. an object, especially pottery, decorated by this technique.

noun plural -ti (-tɪ)

1. a technique in mural or ceramic decoration in which the top layer of glaze, plaster, etc, is incised with a design to reveal parts of the ground
2. such a decoration
3. an object decorated in such a way