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.
Pale stool is stool (feces) that is unusually light in color instead of medium to dark brown. The appearance of pale stools can include a variety of light colors or tints, such as white, silver, gray, light yellow, or putty-colored. Normal brown stool coloring results from the breakdown of bilirubin, which is produced by the breakdown of old red blood cells.