confluence

UK: /ˈkɒnflʊəns/ US: /ˈkɑnfluəns/ ,(kon′flo̅o̅ əns)

WordReference Random House Learner's Dictionary of American English © 2025

con•flu•ence /ˈkɑnfluəns/   n. [countable]

1. Geography
   • a flowing together of two or more streams.
   • their place of joining:
     the confluence of the Ohio and Mississippi rivers.
2. a coming together of people or things.

See -flu-.

WordReference Random House Unabridged Dictionary of American English © 2025

con•flu•ence  (kon′flo̅o̅ əns), n. 

1. Geography a flowing together of two or more streams, rivers, or the like:
   the confluence of the Missouri and Mississippi rivers.
2. Geography their place of junction:
   St. Louis is at the confluence of the Missouri and Mississippi rivers.
3. Geography a body of water formed by the flowing together of two or more streams, rivers, or the like.
4. a coming together of people or things; concourse.
5. a crowd or throng;
   assemblage.

Also, con•flux  (kon′fluks). 

• Late Latin confluentia; see confluent, -ence
• Middle French)
• late Middle English (1375–1425

Synonyms

• 4. union, joining, meeting.

Collins Concise English Dictionary © HarperCollins Publishers::

confluence / ˈkɒnflʊəns/, conflux / ˈkɒnflʌks/ noun

1. a merging or flowing together, esp of rivers
2. a gathering together, esp of people