/ Dictionary / Index A autoicous: Meaning and Definition of Find definitions for: au•toi•cous Pronunciation: (ô-toi'kus), [key] — adj. Bot. having the male and female organs on the same plant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: autoicous (Thesaurus) autohypnosis autoignition Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language