Corrugant :: Corrugant (a.) Having the power of contracting into wrinkles.
Corrugate :: Corrugate (a.) Wrinkled; crumpled; furrowed; contracted into ridges and furrows.
Corrugate :: Corrugate (v. t.) To form or shape into wrinkles or folds, or alternate ridges and grooves, as by drawing, contraction, pressure, bending, or otherwise; to wrinkle; to purse up; as, to corrugate plates of iron; to corrugate the forehead..