n. A thing made up of eight parts, as a poem of eight lines, a body of eight persons, or the like.n. In Gnosticism: In the system of Basilides (see Basilidianism), a group of eight divine beings, namely the supreme god and the seven most direct emanations from him; according to another authority, the ethereal region where the great archon sits at the right hand of his father.n. In the system of Valentinus, a group of eight divine beings called eons.