Meaning of exilarch

ex•i•larch

Pronunciation: (eg'zu-lärk", ek'su-), [key]
— n.
  1. one of a line of hereditary rulers of the Jewish community in Babylonia from about the 2nd century a.d. to the beginning of the 11th century.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.