/ Dictionary / Index C coliform: Meaning and Definition of Find definitions for: col•i•form Pronunciation: (kol'u-fôrm", kō'lu-), [key] — adj. of, pertaining to, or resembling a coliform bacillus. —n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. colicroot coliform bacillus Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language