placitum

CIDE DICTIONARY

placitum, n. [LL. See Placit.].

A public court or assembly in the Middle Ages, over which the sovereign president when a consultation was held upon affairs of state. Brande & C. [1913 Webster]
A court, or cause in court. [1913 Webster]
A plea; a pleading; a judicial proceeding; a suit. Burrill. [1913 Webster]

For further exploring for "placitum" in Webster Dictionary Online