concurrent

adjective | \ kən-ˈkər-ənt \ | con·cur·rent
  1. : occurring, arising, or operating at the same time often in relationship, conjunction, association, or cooperation the power of taxation in the general and state governments is acknowledged to be concurrent —McCulloch v. Maryland, 17 U.S. 316 (1819) a concurrent tortious act — see also concurrent cause at cause, concurrent sentence at sentence

  1. : insuring the same property to the same extent under identical terms concurrent fire policies

  1. : exercised over the same matter or area by two different authorities — see also concurrent jurisdiction at jurisdiction, concurrent power at power 2a