COL- Meaning of COL- in English [col-] --see com- [2]col- or coli- or colo- comb form [NL, fr. L colon] 1: colon "colitis" "colostomy" 2. [NL Escherichia coli, species of colon bacillus]: colon bacillus "coliform" Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012