Main Entry: ¹in·ter·change

Pronunciation: \ˌin-tər-ˈchānj\

Function: 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 : exchangeintransitive verb : to change places mutually

— in·ter·chang·er noun