Hoshana Rabbah

or Ho·sha·nah Rab·bah

[Sephardic Hebrew haw-shah-nah rah-bah; Ashkenazic Hebrew hoh-shah-naw rah-baw]

noun

the seventh day of the Jewish festival of Sukkoth, occurring on the twenty-first day of Tishri and having a special liturgy containing a series of invocations to God for forgiveness and salvation.

Origin of Hoshana Rabbah

< Hebrew hōsh(i) ʿāh nnā save, we pray + rabbā the myriad, multitude