HOSANNA Rabba, or Grand Hosanna, is a name they give to their feast of tabernacles, which lasts eight days; because during the course thereof, they are frequently calling for the assistance of God, the forgiveness of their sins, and his blessing on the new year; and to that purpose they make great use of the hoschannoth, or prayers above mentioned.—The Jews also applied the term hosanna rabba, in a more peculiar manner, to the seventh day of the feast of tabernacles; because they apply themselves more immediately on that day to invoke the divine blessing, &c.