movable feast

Noun
  1. A religious holiday that falls on different dates in different years (synset 115210125)
    is a type of: feast day, fete day - a day designated for feasting
    subtypes:
    • easter - a Christian celebration of the Resurrection of Christ; celebrated on the Sunday following the first full moon after the vernal equinox
    • feast of the unleavened bread, passover, pesach, pesah - (Judaism) a Jewish festival (traditionally 8 days from Nissan 15) celebrating the exodus of the Israelites from Egypt
    same as: moveable feast

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