Jus incognitum
Defined in 3 dictionaries — Ballentine's (1916), Black's (1910), Black's (1891)
Ballentine's Law Dictionary
James A. Ballentine · 1916
An unknown law.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
An unknown law. This term is applied by the civilians to obsolete laws. Bowyer, Mod. Civil Law, 33.
A Dictionary of Law
Henry Campbell Black · 1891
An unknown law. This term is applied by the civilians to obsolete laws. Bowyer, Mod. Civil Law, 33.