In public law, The organic and fundamental law of a nation or state, which may be written or unwritten, establishing the character and conception of Its government, laying the basic principles to which its internal life is to be conformed, organizing the government, and regulating, distributing, and limiting the functions of its different departments, and prescribing the extent and manner of the exercise of sovereign powers. In a more general sense, any fundamental or important law or edict; as the Novel Constitutions of Justinian; the Constitutions of Clarendon .
Black’s Law Online Dictionary
