1. The act of sitting, or the state of being seated. [Archaic] So much his ascension into heaven and his session at the right hand of God do import. Hooker. But Viven, gathering somewhat of his mood, . . . Leaped from her session on his lap, and stood. Tennyson. 2. The actual sitting of a court, council, legislature, etc., or the actual assembly of the members of such a body, for ...