Pasch \Pasch\, Pascha \Pas"cha\, n. [AS. pascha, L. pascha, Gr. ?, fr. Heb. pesach, fr. p[=a]sach to pass over: cf. OF. pasque, F. p[^a]que. Cf. {Paschal}, {Paas}, {Paque}.] The passover; the feast of Easter. {Pasch egg}. See {Easter egg}, under {Easter}. {Pasch flower}. See {Pasque flower}, under {Pasque}.