an interchange and discussion of ideas among three groups having different origins, philosophies, principles, etc.
Word origin
< tri- + -logue
trialogue in American English
(ˈtraiəˌlɔɡ, -ˌlɑɡ)
noun
a discussion or conversation in which three persons or groups participate
Word origin
[1525–35; tri- + (di)alogue, mistaken as a formation with di-1]This word is first recorded in the period 1525–35. Other words that entered Englishat around the same time include: dominant, function, qualify, shuffle, society
Examples of 'trialogue' in a sentence
trialogue
He generated an enthusiasm that has since seen 'trialogue' acquire a momentum of its own.