Grain that has undergone the leavening process. With regard to the Festival of Passover, it is prohibited to eat, benefit from, or possess leaven throughout the Passover Festival. Eating leaven during Passover is punishable by karet.
« Back to Glossary IndexRabbi Avrohom Yeshaya Karelitz (b. 1878, d. 1953). Russian/Belarusian scholar and authority on Jewish law, who settled in Palestine in…
The heads of the Babylonian yeshivot in Sura and Pumbedita between 589-1038 C.E.. They served as the supreme halakhic authorities…