—v., -changed, -chang•ing,
1. to put each in the place of the other: to interchange pieces of modular furniture.
2. to cause (one thing) to change places with another; transpose.
3. to give and receive (things) reciprocally; exchange: The twins interchanged clothes frequently.
4. to cause to follow one another alternately; alternate: to interchange business cares with pleasures.
1. to occur by turns or in succession; alternate.
2. to change places, as two persons or things, or as one with another.
1. an act or instance of interchanging; reciprocal exchange: the interchange of commodities.
2. a changing of places, as between two persons or things, or of one with another.
3. alternation; alternate succession.
4. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.