Concurrent is a synonym of united.
As an adjective concurrent
is happening at the same time; simultaneous.
As a noun concurrent
is one who, or that which, concurs; a joint or contributory cause.
As a proper noun united is
(chiefly|british) any of many football teams formed by the amalgamation of smaller ones.
of building models [http://en.wikiversity.org/wiki/Concurrent_testings].
Happening at the same time; simultaneous.
- changes concurrent with the visual changes in the eye
Belonging to the same period; contemporary.
Acting in conjunction; agreeing in the same act or opinion; contibuting to the same event of effect.
* Sir J. Davies
- (Francis Bacon)
* Bishop Warburton
- I join with these laws the personal presence of the king's son, as a concurrent cause of this reformation.
Joint and equal in authority; taking cognizance of similar questions; operating on the same objects.
- the concurrent testimony of antiquity
(geometry) Meeting in one point.
Running alongside one another on parallel courses; moving together in space.
(computing) Involving more than one thread of computation.
- the concurrent jurisdiction of courts
* leading, lagging
* concurrent indicator
One who, or that which, concurs; a joint or contributory cause.
* Dr. H. More
One pursuing the same course, or seeking the same objects; hence, a rival; an opponent.
- To all affairs of importance there are three necessary concurrents time, industry, and faculties.
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.
- Menander had no concurrent in his time that came near unto him.
Joined into a single entity.
Involving the joint activity of multiple agents.