A beth din, beit din or beis din (Hebrew: בית דין, "house of judgment"; plural battei din)'s a rabbinical court of Judaism. In ancient times, it was the building block of the legal system in the Land of Israel. Today, it's invested with legal powers in a number of religious matters (din Torah, "matter of litigation," plural dinei Torah) both in Israel and in Jewish communities in the Diaspora, where its judgments hold varying degrees of authority (depending u… (More on Dayan)