Concurrent

Con*cur"rent, n. 1. One who, or that which, concurs; a joint or contributory cause.

To all affairs of importance there are three necessary concurrents . . . time, industry, and faculties.
Dr. H. More.

2. One pursuing the same course, or seeking the same objects; hence, a rival; an opponent.

Menander . . . had no concurrent in his time that came near unto him.
Holland.

3. (Chron.) One of the supernumerary days of the year over fifty-two complete weeks; -- so called because they concur with the solar cycle, the course of which they follow.

Con*cur"rent (?), a. [F. concurrent, L. concurrens, p. pr. of concurrere.] 1. Acting in conjunction; agreeing in the same act or opinion; contributing to the same event or effect; coöperating.

I join with these laws the personal presence of the kings' son, as a concurrent cause of this reformation.
Sir J. Davies.

The concurrent testimony of antiquity.
Bp. Warburton.

2. Conjoined; associate; concomitant; existing or happening at the same time.

There is no difference the concurrent echo and the iterant but the quickness or slowness of the return.
Bacon.

Changes . . . concurrent with the visual changes in the eye.
Tyndall.

3. Joint and equal in authority; taking cognizance of similar questions; operating on the same objects; as, the concurrent jurisdiction of courts.

4. (Geom.) Meeting in one point.

Syn. -- Meeting; uniting; accompanying; conjoined; associated; coincident; united.