Definition of Index Librorum Prohibitorum in English:

Index Librorum Prohibitorum

proper noun

  • An official list of books which Roman Catholics were forbidden to read or which were to be read only in expurgated editions, as contrary to Catholic faith or morals. The first Index was issued in 1557; it was revised at intervals until abolished in 1966.

Origin

Latin, index of forbidden books.

Pronunciation:

Index Librorum Prohibitorum

/ˌɪndɛks lɪˌbrɔːrʊm prəʊˌhɪbɪˈtɔːrʊm/