Source : Webster's Revised Unabridged Dictionary (1913)

Confluence \Con"flu*ence\, n. [L. confluentia.]
   1. The act of flowing together; the meeting or junction of
      two or more streams; the place of meeting.

            New York stood at the confluence of two rivers.
                                                  --Bancroft.

   2. Any running together of separate streams or currents; the
      act of meeting and crowding in a place; hence, a crowd; a
      concourse; an assemblage.

            You see this confluence, this great flood of
            vistors.                              --Shak.

            The confluence . . . of all true joys. --Boyle.

Source : WordNet®

confluence
     n 1: a place where things merge or flow together (especially
          rivers); "Pittsburgh is located at the confluence of the
          Allegheny and Monongahela rivers" [syn: {meeting}]
     2: a flowing together [syn: {conflux}, {merging}]
     3: a coming together of people [syn: {concourse}]