Main Entry: se·der

Pronunciation: \ˈsā-dər\

Function: noun

Inflected Form(s): plural seders also se·da·rim \sə-ˈdär-əm, ˌse-dä-ˈrēm\

Usage: often capitalized

Etymology: Hebrew sēdher order

Date: 1865

: a Jewish home or community service including a ceremonial dinner held on the first or first and second evenings of the Passover in commemoration of the exodus from Egypt