/ Dictionary / Index D Darius II: Meaning and Definition of Find definitions for: Darius II Pronunciation: [key] — (Ochus) died 404 b.c., king of Persia 424–404 (son of Artaxerxes I). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Darius I Darius III Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language