[v. kawr-uh-geyt, kor-; adj. kawr-uh-git, -geyt, kor-] 
verb, -gat⋅ed, -gat⋅ing, adjective | 1. | to draw or bend into folds or alternate furrows and ridges. |
| 2. | to wrinkle, as the skin or face. |
| 3. | Western U.S. to make irrigation ditches in (a field). |
| 4. | to become corrugated; undergo corrugation. |
| 5. | corrugated; wrinkled; furrowed. |
| cor·ru·gate (kôr'ə-gāt', kŏr'-) 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).] cor'ru·gate', cor'ru·gat'ed (-gā'tĭd) adj. |
əˌgeɪt