Criminal law
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
That branch or division of law which treats of crimes and their punishments. In the plural —"criminal laws" —the term may denote the laws which define and prohibit the various species of crimes and establish their punishments.
U. S. v. Reisinger, 128 U. S. 398 , 9 Sup. Ct. 99, 32 L. Ed. 480.