n. In Greek myth, a female member of the attendant train of Bacchus; hence, a priestess of Bacchus; one of the women who celebrated the festivals of Bacchus with mad songs and dancing and boisterous courses in gay companies amid the crags of Parnassus and Cithæron, particularly on the occasion of the great triennial Bacchic festival.n. Hence Any woman under the influence of unnatural excitement or frenzy.