{ ‖ } n. [ OF. banc, LL. bancus. See Bank, n. ] A bench; a high seat, or seat of distinction or judgment; a tribunal or court. [ 1913 Webster ]

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). [ 1913 Webster ]