/keuhn kerr"euhns, -kur"-/ , n.
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. Geom. a point that is in three or more lines simultaneously.
6. Law. a power equally held or a claim shared equally.
7. Archaic. competition; rivalry.
Also, concurrency (for defs. 1-4).
[ 1515-25; concurrentia. See CONCURRENT, -ENCE ]