/ Dictionary / Index M monecious: Meaning and Definition of Find definitions for: mo•ne•cious Pronunciation: (mu-nē'shus, mō-), [key] — adj. monoecious. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monecious (Thesaurus) Mondrian Monegasque Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language