B / bacchātĭo
noun

bacchātĭo

gen. bacchātōnis · gender feminine · decl. 3rd
A celebrating of the orgies of Bacchus
A celebrating of the orgies of Bacchus, Hyg. Fab. 4; 8.—Hence.
A revelling; raving; in the manner of the Bacchœ
A revelling, raving, in the manner of the Bacchœ (rare): sileatur de nocturnis ejus baccationibus ac vigiliis, * Cic. Verr. 2, 1, 12, § 33.