interchange
/ˈɪntɚˌʧeɪnʤ/
noun
plural -changes
the act of sharing or exchanging things [count]
[count] :an area where two or more highways meet that is designed to allow traffic to move from one highway to another without stopping
verb
-changes; -changed; -changing
[+ obj] :to put each of two or more things in the place of the other
US