Definition of Quartodeciman in English:

Quartodeciman

noun

Church History
  • Any of a group of early Christians who celebrated Easter on the day of the Jewish Passover (the 14th of Nisan), whether this was a Sunday or not.

adjective

Church History
  • Of or relating to the Quartodecimans, or their method of observing Easter.

Origin

Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From post-classical Latin quartadecimanus, quartodecimanus member of a group of early Christians who celebrated Easter on the 14th day from classical Latin quartus decimus fourteenth + -ānus.

Pronunciation

Quartodeciman

/ˌkwɔːtə(ʊ)ˈdɛsɪmən/