| Noun | 1. | Feast of the Unleavened Bread - (Judaism) a Jewish festival (traditionally 8 days from Nissan 15) celebrating the exodus of the Israelites from EgyptJudaism - the monotheistic religion of the Jews having its spiritual and ethical principles embodied chiefly in the Torah and in the Talmud movable feast, moveable feast - a religious holiday that falls on different dates in different years |