trialogue

[trahy-uh-lawg, -log]

noun

a discussion or conversation in which three persons or groups participate.

Origin of trialogue

1525–35; tri- + (di)alogue, mistaken as a formation with di-¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trialogue

Historical Examples of trialogue

These three characters carried on a conversation (trialogue) in which great truths were boldly professed.
History of the Reformation in the Sixteenth Century, Volume V
J. H. Merle d'Aubigné