[{"Bold_text": "verb (used with object)", "List Items": ["to draw or bend into folds or alternate furrows and ridges.", "to wrinkle, as the skin or face.", "Western U.S.to make irrigation ditches in (a field)."]}, {"Bold_text": "verb (used without object)", "List Items": ["to become corrugated; undergo corrugation ."]}, {"Bold_text": "adjective", "List Items": ["corrugated ;wrinkled; furrowed."]}]