kiddush /kiːˈduːʃ/ noun2 •(Judaism) A blessing recited over wine or grape juice in commemoration of the sanctity of the Shabbat or other Jewish holy day.Cohn began the seder with a kiddush for wine, and the first two toasts he proposed were the traditional ones to life and to freedom. — 1982 •(Judaism) Clipping of kiddush luncheon (“a light luncheon following a morning synagogue service typically serving grape juice, challah, and cold food, and especially following a bar or bat mitzvah”). formskiddushes · kiddushim