[noun] a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams
[noun] mutual interaction; the activity of interchanging or reciprocating Synonyms:reciprocation, give-and-take
[noun] reciprocal transfer of equivalent sums of money especially the currencies of different countries; "he earns his living from the interchange of currency" Synonyms:exchange
[verb] give to, and receive from, one another; "Would you change places with me?"; "We have been exchanging letters for a year" Synonyms:exchange, change
[verb] cause to change places; "interchange this screw for one of a smaller size" Synonyms:counterchange, transpose
