/ Dictionary / Index C Cyrus: Meaning and Definition of Find definitions for: Cy•rus Pronunciation: (sī'rus), [key] — n. (“the Elder” or “the Great”) c600–529 b.c., king of Persia 558?–529: founder of the Persian empire. (“the Younger”) 424?–401 b.c., Persian prince and satrap: leader of the armed conspiracy against his brother King Artaxerxes II. a male given name: from an Old Persian word meaning “throne.” Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cyrus (Thesaurus) cyrtostyle Cys Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language