Source : Webster's Revised Unabridged Dictionary (1913)

Sanhedrin \San"he*drin\, Sanhedrim \San"he*drim\, n. [Heb.
   sanhedr[=i]n, fr. Gr. ?; ? with + ? a seat, fr. ? to sit. See
   {Sit}.] (Jewish Antiq.)
   the great council of the Jews, which consisted of seventy
   members, to whom the high priest was added. It had
   jurisdiction of religious matters.