adjective
Etymology: from past participle of corrugate (I)
1. : formed into folds or furrows : having a ridged or furrowed surface
angry face and corrugated brow
corrugated waves of the dunes
: having even parallel ridges and furrows
corrugated fabric
corrugated steel rollers
2. : made of material (as metal or paper) with corrugations
corrugated hut
corrugated boxes