1. On, or Heliopolis, “House of the Sun,” in northern Egypt, a seat of idolatry: its young men should fall by the sword (Ezek. 30:17). See ON.
2. Used symbolically in that Beth-el,” the house of God,” had become Aven or Beth-aven, that is, “the house of vanity” because of idolatry (Hos. 10:8; compare Hos. 4:15; Hos. 5:8; Hos. 10:5).
3. The Plain of Aven, a place in Syria (Amos 1:5). Not identified.