/moohn"uy'/ , n. , pl. mooneyes .
1. Vet. Pathol. an eye of a horse affected with moon blindness.
2. 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.
[ 1600-10; MOON + EYE ]