Dictionary

1exarch

noun ex·arch \ˈek-ˌsärk\

Definition of EXARCH

1
:  a Byzantine viceroy
2
:  an Eastern bishop ranking below a patriarch and above a metropolitan; specifically :  the head of an independent church
ex·ar·chal \ek-ˈsär-kəl\ adjective
ex·arch·ate \ˈek-ˌsär-kət\ noun
ex·ar·chy \ˈek-ˌsär-kē\ noun

Origin of EXARCH

Late Latin exarchus, from Late Greek exarchos, from Greek, leader, from exarchein to begin, take the lead, from ex- + archein to rule, begin — more at arch-
First Known Use: 1588

2exarch

adjective

Definition of EXARCH

:  formed or taking place from the periphery toward the center <exarch xylem>

Origin of EXARCH

exo- + -arch
First Known Use: 1891

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