bancus
Banc, Ban"cus, Bank, n. Etym: [OF. banc, LL. bancus. See Bank, n.] Defn: A bench; a high seat, or seat of distinction or judgment; a tribunal or court. In banc, In banco (the ablative of bancus), In bank, in full court, or with full judicial authority; as, sittings in banc (distinguished from sittings at nisi prius).