/ Dictionary / Index D Darius III: Meaning and Definition of Find definitions for: Darius III Pronunciation: [key] — (Codomannus) died 330 b.c., king of Persia 336–330. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Darius II Darjeeling 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