A synagogue, also spelled synagog (from Greek συναγωγή, transliterated synagogē, meaning "assembly"; Hebrew: בית כנסת‎ beth knesset, meaning "house of assembly"; בית תפילה beth t'fila, meaning "house of prayer"; שול shul; אסנוגה esnoga; קהל kahal), is a Jewish house of prayer.Synagogues have a large hall for prayer (the main sanctuary), and may also have smaller rooms for study and sometimes a social hall and offices.