corrugated /ˈkorəˌgeɪtəd/ adjective Learner's definition of CORRUGATED
: having a wavy surface —
used to describe thin sheets of material (such as metal or cardboard) that have a surface in which there are many folds that look like a series of waves波纹面的;(铁板或纸板等)波纹状的,有瓦楞的