Pentecost

1. (n.) A solemn festival of the Jews; -- so called because celebrated on the fiftieth day (seven weeks) after the second day of the Passover (which fell on the sixteenth of the Jewish month Nisan); -- hence called, also, the Feast of Weeks. At this festival an offering of the first fruits of the harvest was made. By the Jews it was generally regarded as commemorative of the gift of the law on the fiftieth day after the departure from Egypt.

2. (n.) A festival of the Roman Catholic and other churches in commemoration of the descent of the Holy Spirit on the apostles; which occurred on the day of Pentecost; -- called also Whitsunday.

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Advent, Allhallowmas, Allhallows, Allhallowtide, Annunciation, Annunciation Day, Ascension Day, Ash Wednesday, Candlemas, Candlemas Day, Carnival, Christmas, Corpus Christi, Day of Atonement, Easter, Easter Monday, Easter Saturday, Easter Sunday, Eastertide, Ember days, Epiphany, Fast of Av, Feast of Tabernacles, Feast of Weeks, Good Friday, Halloween, Hallowmas, Hanukkah, High Holy Days, Holy Thursday, Holy Week, Lady Day, Lammas, Lammas Day, Lammastide, Lent, Lententide, Mardi Gras, Martinmas, Maundy Thursday, Michaelmas, Michaelmas Day, Michaelmastide, New Year, Ninth of Av, Palm Sunday, Pancake Day, Passion Week, Passover, Pesach, Purim, Quadragesima, Quadragesima Sunday, Rosh Hashanah, Septuagesima, Shabuoth, Shrove Tuesday, Simhath Torah, Sukkoth, Trinity Sunday, Twelfth-day, Twelfth-tide, Whit-Tuesday, White Sunday, Whitmonday, Whitsun, Whitsunday, Whitsuntide, Whitweek, Yom Kippur