
1) Michaelmas day 2) Quarter day 3) September observance
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https://www.crosswordclues.com/clue/michaelmas

festival honoring the archangel Michael celebrated on September 29. It is one of the four quarters of the English business year.
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http://charlesdickenspage.com/glossary.html

Michaelmas, the feast of Saint Michael the Archangel (also the Feast of Saints Michael, Gabriel, Uriel{cn|date=July 2014} and Raphael, the Feast of the Archangels, or the Feast of Saint Michael and All Angels) is a day in the Western Christian calendar that occurs on 29 September. Because it falls near the equinox, it is associated in the northern...
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http://en.wikipedia.org/wiki/Michaelmas

Livestock fairs, especially sheep. Tenancies are renewed and labour hired for the next year
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http://quick-facts.co.uk/calender/dates.html

• (n.) The feat of the archangel Michael, a church festival, celebrated on the 29th of September. Hence, colloquially, autumn.
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http://thinkexist.com/dictionary/meaning/michaelmas/

Christian feast of St. Michael the Archangel, celebrated in the Western churches on September 29 and in the Eastern (Orthodox) Church on November 8. ...
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http://www.britannica.com/eb/a-z/m/84

Mich'ael·mas noun [ Michael + mass religious service; Middle English Mighelmesse .] The feast of the archangel Michael, a church festival, celebrated on the 29th of September. Hence, colloquially, autumn. Michaelmas daisy . (Botany) See under Daisy .
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http://www.encyclo.co.uk/webster/M/61

Michaelmas is the feast of St Michael the Archangel. It falls on the 29th of September, and is supposed to have been established towards the close of the 5th century. In England, Michaelmas was traditionally one of the regular terms for settling rents.
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http://www.probertencyclopaedia.com/browse/AM.HTM

29-Sep
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http://www.tudorrevels.co.uk/glossary.php

[
n] - honoring the archangel Michael
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http://www.webdictionary.co.uk/definition.php?query=Michaelmas
[Wuthering Heights] the feast of the archangel Michael, September 29.
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https://www.cliffsnotes.com/literature/w/wuthering-heights/study-help/full-
Michaelmas Day noun honoring the archangel Michael; a quarter day in England, Wales, and Ireland
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https://www.encyclo.co.uk/local/20974
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