Meaning of CORRUGATED in English

CORRUGATED

/ ˈkɒrəgeɪtɪd; NAmE ˈkɔːr-; ˈkɑːr-/ adjective

shaped into a series of regular folds that look like waves :

a corrugated iron roof

corrugated cardboard

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.