Haggadah, also Haggada /hə-gäˈdə or ha-gə-däˈ/ and Agadah /a-, ə- or ä-gäˈdə/
noun
The homiletical and illustrative part of the authoritative book of Jewish civil and religious law and tradition, the Talmud, recited at a ceremonial meal, the Seder, on the first two nights of the Passover