/ Dictionary / Index M monogenean: Meaning and Definition of Find definitions for: mon•o•ge•ne•an Pronunciation: (mon"u-jē'nē-un), [key] — n. any trematode of the order Monogenea, mostly ectoparasites on fish, amphibians, and turtles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monogamy monogenesis Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language