Banc (?), Ban"cus (?), Bank (?), n. [OF. banc, LL. bancus. See Bank, n.]
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).
© Webster 1913.