Decretum /dɪˈkriːtəm/

• 1. 

  N the name given to various collections of canon law, esp that made by the monk Gratian in the 12th century, which forms the first part of the Corpus Juris Canonici 教皇教令集; 教会法不同汇编的名称，尤指12世纪格拉提安编纂的教会法，构成《天主教教会法典大全》的第一部分 [RC Church]