The Collaborative International Dictionary of English v.0.48:
Bacchante \Bac"chante\, n.; L. pl. Bacchantes. 1. A priestess of Bacchus. [1913 Webster] 2. A female bacchanal. [1913 Webster]WordNet (r) 3.0 (2006):
bacchante n 1: (classical mythology) a priestess or votary of Bacchus