/ Dictionary / Index E excretory: Meaning and Definition of Find definitions for: ex•cre•to•ry Pronunciation: (ek'skri-tôr"ē, -tōr"ē, ik-skrē'tu-rē), [key] — adj. pertaining to or concerned in excretion; having the function of excreting: excretory organs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: excretory (Thesaurus) excretion excruciate Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language