Lewis & Short

con-vŏvĕo, vōvi, vōtum, 2, v. a., to devour together: NEVE COMVOVISE, S. C. Bacch. 13 (v. Wordsworth, Fragm. and Spec. p. 172).
Here belongs also: convoti iisdem votis obligati, Paul. ex Fest. p. 42, 8.