Pronunciation: ( jī'jēz),[key] —n.Gk. Myth. 1. Also,Gy•esPronunciation: (jī'ēz).[key]one of the Hecatonchires.
2. a shepherd who found a ring making its wearer invisible. Invited by the king of Lydia secretly to view his beautiful wife naked, Gyges was incited by her to kill the king and seize the throne. During his reign, allegedly, coinage was invented.