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. concurrence n. concurrently adv.

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.