Purim spiel
Humorous play performed as part of the celebration of Purim.
Seder
"Order;" ritual dinner that includes the retelling of the story of the Israelite's Exodus from Egypt; plural: s'darim.
Shabbat HaGadol
"Great Sabbath;" the Shabbat that precedes Passover.
Shabbat Zachor
"Shabbat of Remembrance;" the Shabbat immediately preceding Purim, it takes its name from the additional Torah portion--Deuteronomy 25:17-19--read that day--which begins with the word zachor (remember).
shank bone
Item on the Passover seder plate that symbolizes the paschal sacrifice.
Sh'mini Atzeret
"Eighth day of assembly;" conclusion of Sukkot.
sukkah
"Booth" or "hut;" temporary structure associated with the agricultural festival of Sukkot; plural: sukkot.
Sukkot
Seven-day fall agricultural festival associated with temporary booths or huts.
Tu BiShvat
"15th of Shevat;" New Year of the Trees; Jewish Arbor Day, which is a minor festival.
ushpizin
"Guests" (Aramaic); mythic guests invited to the sukkah.