say it: ik-SKREE-shuhn
excretion is a noun meaning "the bodily process of discharging waste matter". It carries 2 recorded senses.
the bodily process of discharging waste matter
waste matter (as urine or sweat but especially feces) discharged from the body
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for excretion come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.