bowel noun definition in Internal anatomy topic from the Oxford Advanced Learner's Dictionary

bowel

 noun: Internal anatomy topic
[countable, usually plural] the tube along which food passes after it has been through the stomach, especially the end where waste is collected before it is passed out of the body (medical) to empty/move/open your bowels (= to pass solid waste out of the body) bowel cancer/cancer of the bowel Patients are asked to report any change in bowel habit. irritable bowel syndrome