/ Dictionary / Index I Io moth: Meaning and Definition of Find definitions for: I'o moth" Pronunciation: [key] a showy, yellow moth, Automeris io, of North America, having a prominent pink and bluish eyespot on each hind wing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. iolite ion Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language