v. cor·ru·gat·ed, cor·ru·gat·ing, cor·ru·gates v.tr. To shape into folds or parallel and alternating ridges and grooves. v.intr. To become shaped into such folds or ridges and grooves: "Now the immense ocean ... sensed the change. Its surface rippled and corrugated where sweeping cloud shadows touched it" (John Updike). [Latin corrūgāre, corrūgāt-, to wrinkle up : com-, com- + rūgāre, to wrinkle (from rūga, wrinkle).] corru·gate′, corru·gat′ed (-gā′tĭd) adj. |
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