What is the meaning of Seder?

The ceremonial meal held on the first night or two nights of Passover.

One of the 54 parts into which the Torah is divided.

silk

silk dealer, draper

narrow leaf cotton bush (Gomphocarpus fruticosus), considered an invasive plant in Catalonia

seder (Passover meal)

seder (portion of the Torah or Mishnah)

to sit

first-person singular present passive subjunctive of sēdō

Alternative form of cedre

a cedar

a cedar

tree

indefinite plural of sed

Source: wiktionary.org