/ Dictionary / Index C circumcolumnar: Meaning and Definition of Find definitions for: cir•cum•col•um•nar Pronunciation: (sûr"kum-ku-lum'nur), [key] — adj. Archit. surrounding a column. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. circumcision circumference Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language