1. Be in accord; be in agreement
   "We concurred on the terms of the settlement";
   - agree, hold, concord
    
2. Happen simultaneously
   "The two events concurred";
   - coincide

Derived forms: concurred, concurring, concurs

Type of: act, come about, fall out, go on, hap [archaic], happen, move, occur, pass, pass off, take place

Encyclopedia: Concur