Usage: usually capitalized A&U
Etymology: Middle English abbot of unresoun
: an elected leader in old Scottish popular revels — compare lord of misrule
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abbot of unreason noun
A lord of misrule or mock abbot in medieval revels
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Main Entry: ↑abbot
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Abbot of Misrule or Abbot of Unreason,
the leader of the festivities in medieval Christmas revels.
Useful english dictionary. 2012.