/ Dictionary / Index T trioecious: Meaning and Definition of Find definitions for: tri•oe•cious Pronunciation: (trī-ē'shus), [key] — adj. Bot. of or pertaining to a species having male, female, and hermaphrodite flowers on different plants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. triode triol Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language