Word Study
trialogue
CIDE DICTIONARY
trialogue, n. [LL. trialogus; tri- (see Tri-) + -logus as, in L. dialogus, E. dialogue.].
A discourse or colloquy by three persons. [1913 Webster]
ROGET THESAURUS
trialogue
Conversation
N conversation, interlocution, collocution, colloquy, converse, confabulation, talk, discourse, verbal intercourse, oral communication, commerce, dialogue, duologue, trialogue, causerie, chat, chitchat, small talk, table talk, teatable talk, town talk, village talk, idle talk, tattle, gossip, tittle-tattle, babble, babblement, tripotage, cackle, prittle-prattle, cancan, on dit, talk of the town, talk of the village, conference, parley, interview, audience, pourparler, tete-a-tete, reception, conversazione, congress, powwow, hall of audience, durbar, palaver, debate, logomachy, war of words, gossip, tattler, Paul Pry, tabby, chatterer, interlocutor, conversationist, dialogist, the feast of reason and the flow of soul, mollia tempora fandi, conversing, interlocutory, conversational, conversable, discursive, discoursive, chatty, colloquial, with thee conversing I forget all time.For further exploring for "trialogue" in Webster Dictionary Online