1) Medieval language 
Medieval Latin was the form of Latin used in the Middle Ages, primarily as a medium of scholarly exchange and as the liturgical language of the medieval Roman Catholic Church, but also as a language of science, literature, law, and administration. Despite the clerical origin of many of its authors, medieval Latin should not be confused with Eccles...
The term for the language of religion and administration in England between 1066 and c 1475-1500. Sometimes termed British Latin.
[n] - Latin used for liturgical purposes during the Middle Ages
noun Latin used for liturgical purposes during the Middle Ages