You searched for: “corrugating
corrugate, corrugates; corrugated; corrugating (verbs)
1. To fold into parallel ridges and troughs, or to fold something; such as, a sheet of cardboard into parallel ridges and troughs.
2. Etymology: from Latin corrugatus, past participle of corrugare, "to wrinkle"; from com-, cor-, "together, with" + rugare. "to wrinkle".
This entry is located in the following unit: rug-, rugo- + (page 1)