/suy"reuhs/ , n.
1. ( "the Elder" or "the Great" ) c600-529 B.C., king of Persia 558?-529: founder of the Persian empire.
2. ( "the Younger" ) 424?-401 B.C., Persian prince and satrap: leader of the armed conspiracy against his brother King Artaxerxes II.
3. a male given name: from an Old Persian word meaning "throne."