The Collaborative International Dictionary
predicant
Blackfriar \Blackfriar\, Black friar \Black" fri`ar\ (Eccl.) A friar of the Dominican order, so named becaise wearing wearing the black mantle of the Dominicans; -- called also predicant and preaching friar; in France, Jacobin. Also, sometimes, a Benedictine.
Syn: Dominican.
Wiktionary
predicant
a. 1 Predicating; affirming; declaring; proclaiming. 2 (context by extension English) preaching n. 1 Someone who predicates 2 Someone who preaches, especially a Dominican friar