/ Dictionary / Index C columelliform: Meaning and Definition of Find definitions for: col•u•mel•li•form Pronunciation: (kol"yu-mel'u-fôrm"), [key] — adj. like a columella. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. columella column Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language