'Excreting' definitions:

Definition of 'excreting'

From: WordNet
noun
The bodily process of discharging waste matter [syn: elimination, evacuation, excretion, excreting, voiding]

Definition of 'Excreting'

From: GCIDE
  • Excrete \Ex*crete"\, v. t. [imp. & p. p. Excreted; p. pr. & vb. n. Excreting.] [L. excretus, p. p. of excernere to sift out, discharge; ex out + cernere to sift, separate. See Crisis.] To separate and throw off; to excrete urine. "The mucus thus excreted." --Hooper. [1913 Webster]