Juramentum judiciale

JURAMENTUM JUDICIALE. A term in the civil law. The oath called juramentum judiciale is that which the judge, of his own accord, defers to either of the parties.
     2. It is of two kinds. 1st. That which the judge defers for the decision of the cause, and which is understood by the general name juramentum judiciale, and is sometimes called suppletory oath, juramentum suppletorium.
     3.-2d. That which the judge defers in order to fix and determine the amount of the condemnation which he ought to pronounce, and which is called juramentum in litem. Poth. on Oblig. P. 4, s. 3, art. 3.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.