concurrence: Meaning and Definition of

con•cur•rence

1. the act of concurring.
2. accordance in opinion; agreement: With the concurrence of several specialists, our doctor recommended surgery.
3. cooperation, as of agents or causes; combined action or effort.
4. simultaneous occurrence; coincidence: the concurrence of several unusual events.
5. a point that is in three or more lines simultaneously.
6. a power equally held or a claim shared equally.
7. competition; rivalry.