I. ˌin-tər-ˈchānj verb
Etymology: Middle English entrechaungen, from Anglo-French * entrechanger, from entre- inter- + changer to change
Date: 14th century
transitive verb
1. : to put each of (two things) in the place of the other
2. : exchange
intransitive verb
: to change places mutually
• in·ter·chang·er noun
II. ˈin-tər-ˌchānj noun
Date: 15th century
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 permit traffic to pass from one to another without the crossing of traffic streams