Corrugo, corrúgas, pen. prod. corrugáre. Plaut.To wrinckle: to make in wrinckles.Nares corrugare. Horat. Corrugare frontem.To frowne.Corrugatum acinum. Colum.
Lewis and Short: Latin dictionary
cor-rūgo (conr-), no perf., ātum, 1, v. a., to make full of wrinkles, to wrinkle, corrugate (very rare): olivam, Col. 12, 50, 19; cf. acina, id. 12, 39, 3.—Poet.: ne sordida mappa Corruget nares, i. e.