Pronunciation: (sat"ur-nā'lē-u, -nāl'yu), [key]
—pl. -li•a, -li•as.
1. (sometimes used with a pl. v.) the festival of Saturn, celebrated in December in ancient Rome as a time of unrestrained merrymaking.
2. (l.c.) unrestrained revelry; orgy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.