noun
ArtIn fresco painting: a layer of fairly coarse plaster applied to the wall and left rough so that the smooth top layer which forms the painting surface may adhere to it more easily.
The preliminary composition sketch is also executed on this layer of plaster.
Origin
Late 19th century; earliest use found in American Architect & Building News. From Italian arriccio from arricciare to curl or bristle up from ar- + riccio hedgehog.
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