Clinical Nurse Specialist, RN. After graduating from nursing school in Japan, I worked for two years in a large Tokyo hospital.
The definition of a stool is a seat without arms supported by three or four legs. An example of a stool is a seat that you'd sit on at a bar. Stool is the waste matter in a bowel movement. An example of stool is the source of the sample provided to a medical lab to check for stomach parasites. a piece of furniture for one person to sit on, typically having a round seat, three or four legs or a central post, and no back or arms.
Updated August 06, 2016. Constipation is a decrease in the frequency of bowel movements or difficulty in the formation or passing of stool, the body's solid waste. What feels like constipation to one person may be normal for another. The colon (large intestine) controls the formation and passage of stool from the body. The colon absorbs water out of the solid waste and moves the waste to the rectum and anus.