col·lo·quy /ˈkɑləkwi/
  談話,會話,自由討論
  Col·lo·quy n.; pl. Colloquies
  1. Mutual discourse of two or more persons; conference; conversation.
     They went to Worms, to the colloquy there about religion.   --A. Wood.
  2. In some American colleges, a part in exhibitions, assigned for a certain scholarship rank; a designation of rank in collegiate scholarship.
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  colloquy
       n 1: a conversation especially a formal one
       2: formal conversation