Pronounced: GROGG-er, Origin: Yiddish, a noisemaker used during the communal reading of the megillah, the Book of Esther, on the holiday of Purim. When the reader speaks the name of Haman, the congregation tries to drown out the evil name using noisemakers and booing.

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The Esther/Vashti Purim Flag

The new tradition of waving a flag when Esther and Vashti's names are mentioned celebrates the triumph of these Purim heroines.

Purim 101

Purim is a joyous holiday that celebrates the saving of the Jews from a threatened massacre in ancient Persia.

A History of Purim

How this festival became a time for merriment and satire.