n.
Pronunciation: ˌ in-t ə r- ' ch ā nj
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 : EXCHANGE
intransitive verb : to change places mutually
– in · ter · chang · er noun