exarch: Meaning and Definition of

ex•arch

Pronunciation: (ek'särk), [key]
— n.
    1. a patriarch's deputy.
    2. a title originally applied to a patriarch but later applied only to a bishop ranking below a patriarch and above a metropolitan.
  1. the ruler of a province in the Byzantine Empire.

ex•arch

Pronunciation: (ek'särk), [key]
— adj. Bot.
  1. (of a primary xylem or root) developing from the center; having the youngest cells closest to the core.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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