Definition of "corrugate"

corrugate

/ˈkɒrʊɡeɪt/

verb
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.
adjective
comparative more corrugate, superlative most corrugate
1. (obsolete) corrugated; wrinkled; crumpled; furrowed