Crossword Dictionary

What's The Definition Of Corrugate?

\Cor"ru*gate\ (k?r"r?-g?t), a. [L. corrugatus, p. p. of corrugare; cor-+ rugare to wrinkle, ruga wrinkle; of uncertain origin.] Wrinkled; crumpled; furrowed; contracted into ridges and furrows.
\Cor"ru*gate\ (-g?t), v. t. [imp. & p. p. {Corrugated} (-g?`t?d); p. pr. & vb. n. {Corrugating} (-g?`t?ng).] 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. {Corrugated iron}, sheet iron bent into a series of alternate ridges and grooves in parallel lines, giving it greater stiffness. {Corrugated paper}, a thick, coarse paper corrugated in order to give it elasticity. It is used as a wrapping material for fragile articles, as bottles.