Ai (â'î, heap of ruins. 1. A city of the Canaanites, Genesis 13:3, where it is "Hai" in the Authorized Version, but Ai in the Revised Version. Taken by Joshua. Joshua 7:2-5; Joshua 8:1-29. Also called Aiath, Isaiah 10:28, and Aija in the A. V. and R. V., Nehemiah 11:31. Abraham pitched his tent between Hai and Bethel. Genesis 12:8. The city of Ai was east of Bethel, and about nine miles north of Jerusalem. It is named 38 times in the Bible. 2. A city of the Ammonites, not far from Heshbon. Jeremiah 49:3.