[455] ir-rūgo, ātus, āre (in u. rugo), in Runzeln-, in Falten legen, I) eig., Gell. 12, 1, 8: frons severis moribus irrugata, Hieron. in epist. ad Galat. 5. – II) übtr., sinum (vestis) nodis Hiberis, Stat. Theb. 4, 266.