[ ˌbakə'neɪlɪə ]
■ plural noun [also treated as sing. ]
1》 the Roman festival of the god Bacchus.
2》 ( bacchanalia ) wild revelry.
Derivatives
bacchanalian adjective
Origin
C16: from L. bacchanalia , neut. plural of the adjective bacchanalis (see bacchanal ).