1. 
   Trialogue
   • (n.) A discourse or colloquy by three persons.
   Found op http://thinkexist.com/dictionary/meaning/trialogue/
   
   
2. 
   trialogue
   trialogue A colloquy (a conversation, especially a formal one) among three people.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2740/
   
   
3. 
   trialogue
   1) A discourse or colloquy by three persons
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/trialogue/1
   
   

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