catholicos Meaning, Definition & Usage

  1. noun the ecclesiastical title of the leaders of the Nestorian and Armenian churches

WordNet

Ca*thol"i*cos noun
Etymology
NL. See Catholic.
Definitions
  1. (Eccl.) The spiritual head of the Armenian church, who resides at Etchmiadzin, Russia, and has ecclesiastical jurisdiction over, and consecrates the holy oil for, the Armenians of Russia, Turkey, and Persia, including the Patriarchs of Constantinople, Jerusalem, and Sis. ✍ The Patriarch of Constantinople is the civil head of the Armenians in Turkey.

Webster 1913