The Collaborative International Dictionary of English v.0.48:

Revel \Rev"el\, n. [OF. revel rebellion, disorder, feast, sport.
   See Revel, v. i.]
   A feast with loose and noisy jollity; riotous festivity or
   merrymaking; a carousal.
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         This day in mirth and revel to dispend. --Chaucer.
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         Some men ruin . . . their bodies by incessant revels.
                                                  --Rambler.
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   Master of the revels, Revel master. Same as Lord of
      misrule, under Lord.
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