Source : Webster's Revised Unabridged Dictionary (1913)

Zohar \Zo"har\, n. [Heb. z[=o]har candor, splendor.]
   A Jewish cabalistic book attributed by tradition to Rabbi
   Simon ben Yochi, who lived about the end of the 1st century,
   a. d. Modern critics believe it to be a compilation of the
   13th century. --Encyc. Brit.