Nahash (nâ'hăsh), serpent. 1. An Ammonite king. He offered to Jabesh-gilead a treaty on condition that the citizens should submit to the loss of their right eyes. This cruelty aroused the indignation of Saul, who defeated their enemies. At a subsequent period he was on friendly relations with David. 2 Samuel 10:2. 2. Mentioned as father of Abigail. 2 Samuel 17:25. Some identify him with Jesse, and others with Nahash, king of the Ammonites.