stool

A stool is a seat for one person that does not have a back or an armrest.

Example: The three men sat on the stools smoking cigarettes.

A stool is a piece of feces.

Example: Stool samples revealed that the animals had eaten an abnormal amount of plastic.

A stool is a plant that has been cut to its base to let it grow again.

If a person or thing stools, it releases feces.

Example: It is common for babies to stool frequently during feeding.

If a plant stools, it releases shoots from its roots.