ā´ven ×ון, 'aÌ„wen “emptiness,†“vanityâ€: Used in for On or Heliopolis, in Egypt. See ON. As a term of contempt Hosea calls Beth-el “Beth-aven†(; ). So Amos speaks of some valley near Damascus as “the valley of Aven†(that is, of the idol, ), in which Baalbek (Heliopolis) was situated. The word is rendered “idol†in .