corrugate

From Latin corrugo (“I wrinkle; I corrugate”), from con- +‎ rūga (“furrow”) +‎ -ō. Compare Spanish acurrucar (“to snuggle; to curl up because of the cold; to huddle”).

corrugate (third-person singular simple present corrugates, present participle corrugating, simple past and past participle corrugated)

1. (of the skin) To wrinkle.
2. To fold into parallel folds, grooves or ridges.

• corrugated

corrugate (comparative more corrugate, superlative most corrugate)

1. (obsolete) corrugated; wrinkled; crumpled; furrowed

corrugate

1. second-person plural present indicative of corrugare
2. second-person plural imperative of corrugare
3. feminine plural of corrugato

corrūgāte

1. second-person plural present active imperative of corrūgō