Constitutio
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In the civil law. An imperial ordinance or constitution, distinguished from Lex, 8enatus-Consultum, and other kinds of law and having its effect from the sele will of the emperor. An establishment or settlement. Used of controversies settled by the parties without a trial.
Calvin.
A sum paid according to agreement Du Cange.
In old English law
An ordinance or statute. A provision of a statute.