(1) (Judaism) a Jewish festival (traditionally 8 days from Nissan 15) celebrating the exodus of the Israelites from Egypt
WiktionaryText
Proper noun
The eight-day Jewish festival of Pesach, commemorating the biblical story of Exodus, during which the first-born sons of the Israelites were passed over while those of the Egyptians were killed.
The Christian holy day generally falling on the first day of the Jewish Passover