/ Dictionary / Index M mooneye: Meaning and Definition of Find definitions for: moon•eye Pronunciation: (mn'ī"), [key] — pl. -eyes. an eye of a horse affected with moon blindness. any silvery, herringlike fish of the family Hiodontidae, esp. Hiodon tergisus, found in fresh waters from Hudson Bay to the lower Mississippi, having large eyes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mooneye (Thesaurus) mooned moon-eyed 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