ˈgrägə(r) noun
or greg·er or greg·ger -reg- ; also grog·ger -räg-
( -s )
Etymology: Yiddish grager, greger, from Polish grzegarz rattle
: a rattle or noisemaker traditionally used by children during the Purim festival at every mention of Haman's name during the reading in the synagogue of the scroll of the Book of Esther