/ Dictionary / Index A Ariosto: Meaning and Definition of Find definitions for: A•ri•os•to Pronunciation: (är"ē-os'tō, -ō'stō, ar"-It.ä"rē-ôs'tô), [key] 1474–1533, Italian poet: author of Orlando Furioso. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arioso Ariovistus Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language