to empty something of its contents, especially the bowels
Before the medical procedure, the patient was instructed to take a solution to evacuate their bowels for a clear examination.
The doctor recommended a specific medication to help evacuate the colon before the scheduled colonoscopy.
In preparation for surgery, the healthcare team followed a protocol to ensure the patient's bowels were thoroughly evacuated.
The laxative was administered to efficiently evacuate the intestines, allowing for a comprehensive diagnostic test.