predicant
/ˈprɛdɪk(ə)nt
/adjective archaic
(Especially of the religious order of the Dominicans) characterized by preaching.If some predicant friar or Franciscan in the company happened to speak of a book he might like to hear read, the king would say: "Don't read it to me.
noun archaic
A preacher, especially a Dominican friar.
Origin
Late 16th century: from Latin praedicant- 'declaring', from the verb praedicare, in ecclesiastical Latin meaning 'preach'.