/ Dictionary / Index C colorectal: Meaning and Definition of Find definitions for: co•lo•rec•tal Pronunciation: (kō"lu-rek'tl), [key] — adj. Anat. pertaining to or involving the colon and rectum: colorectal cancer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: colorectal (Thesaurus) color-coordinated colored Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language