arriccio

[ uh-ree-choh; Italian ahr-reet-chaw ]
/ əˈri tʃoʊ; Italian ɑrˈrit tʃɔ /

noun, plural ar·ric·cios, ar·ric·ci [uh-ree-chee; Italian ahr-reet-chee] /əˈri tʃi; Italian ɑrˈrit tʃi/.

(formerly in fresco painting) a second coat of plaster, somewhat finer than the first coat, applied over the entire surface and on which the drawing for the fresco is done.
Also arricciato.
Also called brown coat.
Compare intonaco.

Origin of arriccio

< Italian, derivative of arricciare to curl up, make grooves in ( a- a-5 + -ricciare, verbal derivative of riccio hedgehog < Latin ēricius