Definition of Olivetan in English:

Olivetan

Pronunciation /ɒlɪˈviːtn/

noun

Roman Catholic Church
  • A member of this religious order.

Origin

Early 17th century (in an earlier sense). From the name of Monte Oliveto (or Uliveto) near Siena, the site of the mother convent + -an, after post-classical Latin Olivetanus.