Running together; having the same authority; thus we say a concurrent consideration occurs in the case of mutual promises; such and such a court have concurrent jurisdiction; that is, each has the same jurisdiction.
Law Dictionary – Alternative Legal Definition
Having the same authority; acting in conjunction; agreeing in the same act; contributing to the same event; contemporaneous. As to concurrent “Covenants,” “Jurisdiction,” “Insurance,” “Lease,” “Lien,” and “Writs,” see those titles.