Corrugate
Pronunciation : Cor"ru*gate (kr"r-gt)
Part of Speech : a.
Etymology : [L. corrugatus, p. p. of corrugare; cor-+ rugare to wrinkle, ruga wrinkle; of uncertain origin.]
Definition : Defn: Wrinkled; crumpled; furrowed; contracted into ridges and furrows.
Source : Webster's Unabridged Dictionary, 1913
Pronunciation : Cor"ru*gate (-gt)
Part of Speech : v.
Definition : Defn: 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.
t. [imp. & p.p. Corrugated (-g`td); p. pr. & vb. n. Corrugating (-g`tng).]
Source : Webster's Unabridged Dictionary, 1913