frĭcātĭo

I. a rubbing, rubbing down, friction (post-Aug.): omnibus vertebris utilis est, Cels. 4, 3: assidua, Col. 6, 12, 1: vehemens, Plin. 28, 4, 14, § 53: diligens tectoriorum, Vitr. 7, 6.