concurrent

Happening at the same time; simultaneous.

concurrent echo

Such are the changes which science recognizes in the wire itself, as concurrent with the visual changes taking place in the eye.

Belonging to the same period; contemporary.

Acting in conjunction; agreeing in the same act or opinion; contributing to the same event or effect.

I join with these laws the personal presence of the king's son, as a concurrent cause of this reformation.

the concurrent testimony of antiquity

Joint and equal in authority; taking cognizance of similar questions; operating on the same objects.

the concurrent jurisdiction of courts

Meeting in one point.

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.

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

Menander […] had no concurrent in his time that came neere vnto him

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.

One who accompanies a sheriff's officer as witness.