v. t.
Corrugated iron,
Corrugated paper,
a. [ L. corrugatus, p. p. of corrugare; cor-+ rugare to wrinkle, ruga wrinkle; of uncertain origin. ] Wrinkled; crumpled; furrowed; contracted into ridges and furrows. [ 1913 Webster ]
adj. shaped into parallel folds alternately grooved and ridged;