/ Dictionary / Index C corrugation: Meaning and Definition of Find definitions for: cor•ru•ga•tion Pronunciation: (kôr"u-gā'shun, kor"-), [key] — n. the act or state of corrugating or of being corrugated. a wrinkle; fold; furrow; ridge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: corrugation (Thesaurus) corrugated paper corrupt Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language