/ Dictionary / Index C columniation: Meaning and Definition of Find definitions for: co•lum•ni•a•tion Pronunciation: (ku-lum"nē-ā'shun), [key] — n. Archit. the employment of columns. the system of columns in a structure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: columniation (Thesaurus) columnea column inch Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language