interchange -- (a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams)
interchange, reciprocation, give-and-take -- (mutual interaction; the activity of reciprocating or exchanging (especially information))
exchange, interchange -- (the act of changing one thing for another thing; "Adam was promised immortality in exchange for his disobedience"; "there was an interchange of prisoners")
exchange, interchange -- (reciprocal transfer of equivalent sums of money (especially the currencies of different countries); "he earns his living from the interchange of currency")
Overview of verb interchange
The verb interchange has 4 senses
substitute, replace, interchange, exchange -- (put in the place of another; switch seemingly equivalent items; "the con artist replaced the original with a fake Rembrandt"; "substitute regular milk with fat-free milk"; "synonyms can be interchanged without a changing the context's meaning")
exchange, change, interchange -- (give to, and receive from, one another; "Would you change places with me?"; "We have been exchanging letters for a year")
counterchange, transpose, interchange -- (cause to change places; "interchange this screw for one of a smaller size")