Definitions

1. noun

a surgical operation in which an opening is made in the wall of the abdomen to divert the flow of faeces or urine from the bowel or bladder to an external pouch, usually as a result of damage to the lower bowel or bladder, or to remove diseased or damaged parts of the bowel or bladder.

“After the surgery, she had to wear a bag for the rest of her life to collect the waste from her colostomy.”