/ Dictionary / Index C columnarized: Meaning and Definition of Find definitions for: co•lum•nar•ized Pronunciation: (ku-lum'nu-rīzd"), [key] — adj. columnar (def. 3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. columnar epithelium columnar jointing Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language