Concurrent /(?)/

Con·cur·rent

Concurrent

a.
  1. Acting in conjunction; agreeing in the same act or opinion; contributing to the same event or effect; cooperating.
    I join with these laws the personal presence of the kings' son, as a concurrent cause of this reformation.
    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.
    Changes . . . concurrent with the visual changes in the eye.
  3. Joint and equal in authority; taking cognizance of similar questions; operating on the same objects; as, the concurrent jurisdiction of courts.
  4. Meeting in one point. (Geom.)

Concurrent

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.
  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.
  3. 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. (Chron.)