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.