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confluence (of rivers); flowing together; joining
joining (of people, groups, parties, etc.); union; linking up; merging (e.g. of traffic); meeting (up)
地図を見ると二つの川がこの地点で合流する。
Two rivers merge at this point.
後で駅前で友達と合流する予定だ。
I plan to meet up with friends at the station later.
列車は新大阪で合流します。
The trains meet at Shin-Osaka.