confluence
/ˈkɒnflʊəns/noun
1- the junction of two rivers, especially rivers of approximately equal width（尤指宽度大致相同的）两条河流的交汇口。
1.1
- an act or process of merging合并, 融合：
a major confluence of the world's financial markets.
世界金融市场的重大合并。
词源
late Middle English: from late Latin confluentia, from Latin confluere 'flow together' （see CONFLUENT）.