interchange
1. in.ter.change \.int-*r-'cha-nj\ vb [ME entrechaungen, fr. MF entrechangier, fr. OF, fr. entre- i]nter- + changier to change 1: to put each in the place of the other 2: EXCHANGE : to change places mutually - in.ter.chang.er n 2. in.ter.change \'int-*r-.cha-nj\ n 1: the act, process, or an instance of interchanging : EXCHANGE 2: a junction of two or more highways by a system of separate levels that p ermit traffic to pass from one to another without the crossing of traffic streams