📒 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.
📒 the part that is deepest inside something
A rumble came from the bowels of the earth (= deep underground).