/ Dictionary / Index C containerboard: Meaning and Definition of Find definitions for: con•tain•er•board Pronunciation: (kun-tā'nur-bôrd", -bōrd"), [key] — n. any paperboard used in making containers, as corrugated paper or cardboard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. container container car Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language