n. & adj.
--n.
1. a wild and drunken revelry.
2 a drunken reveller.
3 a priest, worshipper, or follower of Bacchus.
--adj.
1. of or like Bacchus, the Greek or Roman god of wine, or his rites.
2 riotous, roistering.
Etymology: L bacchanalis f. Bacchus god of wine f. Gk Bakkhos