verb (used with object),in·ter·changed,in·ter·chang·ing.
to put each in the place of the other: to interchange pieces of modular furniture.
to cause (one thing) to change places with another; transpose.
to give and receive (things) reciprocally; exchange: The twins interchanged clothes frequently.
to cause to follow one another alternately; alternate: to interchange business cares with pleasures.
verb (used without object),in·ter·changed,in·ter·chang·ing.
to occur by turns or in succession; alternate.
to change places, as two persons or things, or as one with another.
noun
an act or instance of interchanging; reciprocal exchange: the interchange of commodities.
a changing of places, as between two persons or things, or of one with another.
alternation; alternate succession.
a highway intersection consisting of a system of several different road levels arranged so that vehicles may move from one road to another without crossing the streams of traffic.
Origin of interchange
1325–75; inter- + change; replacing Middle English entrechaungen<Middle French entrechangier