Meaning of CONCURRENT in English

CONCURRENT

adj.1 (often foll. by with) a existing or in operation at the same time (served two concurrent sentences). b existing or acting together.

2 Geom. (of three or more lines) meeting at or tending towards one point.

3 agreeing, harmonious.

Derivatives:

concurrence n. concurrently adv.

Oxford English vocab.      Оксфордский английский словарь.