Definitions for "Tashlich"
Keywords:  rosh, hashana, sin, breadcrumbs, bread
Translates as “casting off”. Refers to the custom of going to a body of water on the first afternoon of Rosh Hashana. A special Tashlich prayer is recited, to facilitate the casting off of ones sins.
"Casting off," the symbolic casting away of sins on the first day of the new year, done by the edge of a body of moving water. People turn their pockets inside out, tossing the contents (often breadcrumbs expressly for that purpose) into the water to symbolize the cleansing from sin after repentance.
Casting bread upon the water. On Rosh Hashana, Jews traditionally walk to a natural body of water into which they throw breadcrumbs, symbolic of their sins.