Wiktionary
eliminatory
a. 1 Tending to eliminate. 2 (context anatomy English) Of or relating to the system through which elimination of digestive waste occurs; excretory.
Usage examples of "eliminatory".
Because they were land-dwellers, and from a planet with an undesirably high surface gravity at that, they had evolvea all that completely unnecessary investment in skeletons and muscles and, of course, digestive and eliminatory systems to support them.