2. (noun) groove.
Ko te unaunahi, te ritorito rānei. He tāruarua te noho mai o ētahi ripa ānau e whā, e rima rānei, ki roto i tētahi awaawa āhua whānui nei (RTA 2014:210). / The unaunahi, or ritorito, pattern. Curved ridges repeated four or five times sitting in a quite wide groove.