CORRUGATE

corrugate

(verb) fold into ridges; “corrugate iron”

Source: WordNet® 3.1

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Etymology

Verb

corrugate (third-person singular simple present corrugates, present participle corrugating, simple past and past participle corrugated)

(of the skin) To wrinkle.

To fold into parallel folds, grooves or ridges.

Adjective

corrugate (comparative more corrugate, superlative most corrugate)

(obsolete) corrugated; wrinkled; crumpled; furrowed

Source: Wiktionary

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Cor"ru*gate (kr"r-gt), a. Etym: [L. corrugatus, p. p. of corrugare; cor-+ rugare to wrinkle, ruga wrinkle; of uncertain origin.]

Definition: Wrinkled; crumpled; furrowed; contracted into ridges and furrows.

Cor"ru*gate (-gt), v. t. [imp. & p.p. Corrugated (-g`td); p. pr. & vb. n. Corrugating (-g`tng).]

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition

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