Definition of saturnalias:
(n) :
(historical) An Ancient Roman holiday honoring the deity Saturn.
(n) :
A period or occasion of general license, in which the passions or vices have riotous indulgence; a period of unrestrained revelry.
(n) :
Alternative letter-case form of saturnalia. [A period or occasion of general license, in which the passions or vices have riotous indulgence; a period of unrestrained revelry.]