The word Seder means order. The Hebrew word is סדר. Depending on the denomination of Judaism practiced, Seder is used to refer to the ritual dinner held on first or first and second evenings of Passover. The Seder follows a particular order. It includes the retelling of the story of the Exodus of Moses and the Israelites from Egypt. Participants eat special foods and another standard part of the dinner is to explain the meaning of the different foods and why they are eaten at this time. Spelling alternatives: Sedar, Seder, סֵדֶר Occurs on the 14th day of Nisan and 15th in the Diaspora.