excretory
/ɛksˈkrɪtəri/ EX-kre-tor-ee
Definitions
1. adjective
relating to or involved in the removal of waste from the body
“The excretory system in humans is responsible for removing waste products from the body.”
2. noun
a system or process that removes waste from the body
“The excretory system of animals includes the kidneys, liver, and lungs.”