Decretum
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In the civil law. A species of imperial constitution, being a judgment or sentence given by the emperor upon hearing of a cause, (quod imperator cognoscens decrevit.) Inst 1, 2, 6. In canon law. An ecclesiastical law, in contradistinction to a secular law, (lex.) 1 Mackeld. Civll Law, p.
81, § 93, (Kaufmaim's note.)