pŏlītĭo: ōnis, f. 1. polio,I a smoothing, a furbishing, polishing.I Lit. (post-Aug.): speculi, Vitr. 7, 3.—Of smoothing or plastering a wall, Vitr. 7, 4.—II Transf., an improving, cultivating: agrorum, Cato, R. R. 136.