\Ca*thol"i*cos\, n. [NL. See {Catholic}.] (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.
Note: The Patriarch of Constantinople is the civil head of
      the Armenians in Turkey.