ごうりゅう合流gouryuu
1.
The process in which two or more rivers, originating from different sources, come together to form a single flow at a specific point.
2.
The unification of distinct groups, parties, or organizations into a single entity, often for collaborative purposes or to create a new organization.
3.
The act of individuals or groups that have been operating separately meeting at a designated location to continue together as one.
4.
A meeting point where various paths or flows converge, resulting in a combined movement or direction.
Example:
この道はそこでハイウエイに合流する。