the rules and principles of law derived from the customs and legislation of Rome, as opposed to those derived from the customs of all nations (jus gentium) or from fundamental ideas of right and wrong implicit in the human mind (jus naturale)
Origin
< Latin: civil law
British Dictionary definitions for jus naturale
jus naturale
/ˌnætjʊˈreɪlɪ/
noun (Roman law)
1.
(originally) a system of law based on fundamental ideas of right and wrong; natural law