Passover

Passover , noun

[Pass + over. See Pasch.]

(a)

(Jewish Antiquities) A feast of the Jews, instituted to commemorate the sparing of the Hebrews in Egypt, when God, smiting the firstborn of the Egyptians, passed over the houses of the Israelites which were marked with the blood of a lamb.

(b)

(Jewish Antiquities) The sacrifice offered at the feast of the passover; the paschal lamb. — Ex. xii