What are the different names of Passover and what are the meanings?
Passover has four names identified in the Jewish bible, each highlighting a different aspect of the holiday. 

Holiday of Freedom. This name relates to the Bible story of the freeing of the Hebrew slaves from the Ancient Egyptian rulers. 

Holiday of Pesach (Lamb). This name relates to the offering made by the Hebrews before being freed, as well as the yearly offering made in honor of the holiday. 

Holiday of Matzah. This name relates to the unleavened bread eaten by the Hebrews while being freed, as well as the yearly offering made in honor of the holiday. 

Holiday of Spring. This name relates to the season in which the holiday is celebrated.