verb to mutually give and receive (something); to exchange
verb to swap or change places
verb to alternate; to intermingle or vary
to interchange cares with pleasures
verb To act as or carry out an interchange (noun, senses 2, 3).
noun An act of interchanging.
noun A highway junction in which traffic may change from one road to another without crossing a stream of traffic.
noun A junction in which traffic may merge to enter or diverge to exit a limited-access highway to access a surface street, without crossing traffic on the main highway.