BACCHANALIA Meaning of BACCHANALIA in English [bac.cha.na.lia] n, pl bacchanalia [L, fr. Bacchus] (1591) 1 pl, cap: a Roman festival of Bacchus celebrated with dancing, song, and revelry 2: orgy 2, 3 -- bac.cha.na.lian adj or n Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012