colloquy
/ˈkɒləkwɪ/noun
(pl. -ies)
1
- formal a conversation〈正式〉谈话; 会谈：
they broke off their colloquy at once
他们立刻中断了谈话
mass noun he found her in earnest colloquy with the postman.他发现她正和邮递员认真交谈。
2
- a gathering for discussion of theological questions神学问题讨论集会。
词源
late Middle English: from Latin colloquium 'conversation'.