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corrugate

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The definition of corrugate is to shape something into parallel grooves.

(verb)

An example of corrugate is to fold a piece of paper back and forth into furrows and ridges.

See corrugate in Webster's New World College Dictionary

transitive verb, intransitive verb corrugated, corrugating

to shape or contract into parallel grooves and ridges; make wrinkles in; furrow

Origin: < L corrugatus, pp. of corrugare, to wrinkle < com-, intens. + rugare, to wrinkle

See corrugate in American Heritage Dictionary 4

verb cor·ru·gat·ed, cor·ru·gat·ing, cor·ru·gates

verb, transitive

To shape into folds or parallel and alternating ridges and grooves.

verb, intransitive

To become shaped into such folds or ridges and grooves: “Now the immense ocean . . . sensed the change. Its surface rippled and corrugated where sweeping cloud shadows touched it” (John Updike).

Origin:

Origin: Latin corrūgāre, corrūgāt-, to wrinkle up

Origin: : com-, com-

Origin: + rūgāre, to wrinkle (from rūga, wrinkle)

Related Forms:

corˈru·gateˌ, corˈru·gatˌed (-gāˌtĭd) adjective

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