noun. visual examination of the colon (with a colonoscope) from the cecum to the rectum; requires sedation.
1. Noun, singular or mass Eat from the same list of foods that you were allowed to eat 2 days before the colonoscopy for breakfast on the day before the procedure. 2. Verb, non-3rd person singular present Although many colonoscopy prep instructions recommend starting three days before your procedure, CCA's Sample Six-Day Colonoscopy Prep Guide recommends cutting out high-fiber foods five days before.