Definition: The word "Arun" refers to an ancient Egyptian deity, associated with fertility, strength, and wisdom in mythology. Definition: Arun means "powerful, mighty," and comes from a common form of Hebrew pronunciation "arun", which can mean "mighty." In Egyptian mythology, Arun was the god of water and was revered for his ability to control or harness the power of the Nile. The god played an important role in the religious practices, rituals, and ceremonies of ancient Egypt.