Breadcrumb Home > Dictionary > Index X Xerxes I: Meaning and Definition of Find definitions for: Xerx•es I Pronunciation: (zûrk"sēz), [key] 519?–465b.c.,king of Persia 486?–465 (son of Darius I). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. xerus x-height ✖ Related Content Daily Word Quiz: tendentious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language