Judaism A solemn Jewish feast day celebrated on the 1st or 1st and 2nd of Tishri; noted for the blowing of the shofar.

synonyms: Rosh Hashana, Rosh Hashanah, Rosh Hashona, Rosh Hashonah.

Polish: Rosz Haszana, Święto Trąbek, Rosz ha-Szana