We don't have synonyms for trialogues yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are trialogue, dialogues and trilogies.
(n) :
(uncommon) A conversation or talk between three people.
(n) :
(European Union) An informal tripartite meeting attended by representatives of the European Parliament, the Council of the European Union, and the European Commission.
(n) :
(uncommon) A conversation or talk between three people.
(n) :
(European Union) An informal tripartite meeting attended by representatives of the European Parliament, the Council of the European Union, and the European Commission.