concurrent

Meanings

Adjective

• Happening at the same time; simultaneous.
• Belonging to the same period; contemporary.
• Acting in conjunction; agreeing in the same act or opinion; contributing to the same event or effect.
• Joint and equal in authority; taking cognizance of similar questions; operating on the same objects.
• Meeting in one point.
• Running alongside one another on parallel courses; moving together in space.
• Designed to run independently, rather than sequentially, using various mechanisms, such as threads, event loops or time-slicing.

Noun

• One who, or that which, concurs; a joint or contributory cause.
• One pursuing the same course, or seeking the same objects; hence, a rival; an opponent.
• 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.

Origin

• From Middle English concurrent, from Old French concurrent, from Latin concurrēns, present active participle of concurrō, from con- + currō