Brocard
Brocard ({not transcribed}) , noun
[Perh. from Brocardica, Brocardicorum opus, a collection of ecclesiastical canons by Burkhard, Bishop of Worms, called, by the Italians and French, Brocard.]
An elementary principle or maximum; a short, proverbial rule, in law, ethics, or metaphysics.
The legal brocard, “Falsus in uno, falsus in omnibus,” is a rule not more applicable to other witness than to consciousness.