digestion. 1  the process in the alimentary canal by which food is broken up physically, as by the action of the teeth, and chemically, as by the action of enzymes, and converted into a substance suitable for absorption and assimilation into the body. 2  the function or power of digesting food: My digestion is bad.
Overview of Sitz Bath. A sitz bath is a bath in just enough water to cover the buttocks, upper thighs and lower abdomen. It is more labor intensive than other hydrotherapy treatments, but it powerfully affects the pelvic and abdominal organs.
1 Hot sitz baths can be 3 to 8 minutes in duration. 2  During a hot sitz bath, a cool washcloth may be placed on the forehead. 3  Hot sitz baths should be concluded with a rinse of cold water. 4  Cold sitz baths can be 3 to 8 minutes in duration.