1. conversations or discussions involving three people or parties
Usage: plural form of trialogue

Examples

• The peace negotiations involved several trialogues between the three nations.
• The company organized trialogues with management, unions, and government representatives.
• Academic trialogues brought together students, faculty, and industry experts.
• The diplomatic trialogues continued for weeks before reaching an agreement.
• These trialogues proved more effective than bilateral meetings.
• The conference featured multiple trialogues on environmental policy.