decretals

/dɪˈkriːtəlz/
noun
  1. A collection of papal decrees or official letters forming part of canon law.
    • The library's rare book room contains a beautifully illuminated manuscript of the decretals.
    • Students of canon law study the decretals to understand historical church rulings.
    • The Decretals of Gregory IX were a major source of medieval church law.
Synonyms
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