'Excretion' definitions:

Definition of 'excretion'

From: WordNet
noun
The bodily process of discharging waste matter [syn: elimination, evacuation, excretion, excreting, voiding]
noun
Waste matter (as urine or sweat but especially feces) discharged from the body [syn: body waste, excretion, excreta, excrement, excretory product]

Definition of 'Excretion'

From: GCIDE
  • Excretion \Ex*cre"tion\, n. [Cf. F. excr['e]tion.]
  • 1. The act of excreting. [1913 Webster]
  • To promote secretion and excretion. --Pereira. [1913 Webster]
  • 2. That which is excreted; excrement. --Bacon. [1913 Webster]