interchange

Noun
  1. A junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams (synset 103582987)
  2. Mutual interaction;
    The activity of reciprocating or exchanging (especially information) (synset 100040890)
  3. The act of changing one thing for another thing (synset 101168748)
    "Adam was promised immortality in exchange for his disobedience"; "there was an interchange of prisoners"
  4. Reciprocal transfer of equivalent sums of money (especially the currencies of different countries) (synset 101095009)
    "he earns his living from the interchange of currency"
Verb
  1. Put in the place of another;
    Switch seemingly equivalent items (synset 202262575)
    "the con artist replaced the original with a fake Rembrandt"; "substitute regular milk for fat-free milk"; "synonyms can be interchanged without a changing the context's meaning"
  2. Give to, and receive from, one another (synset 202262178)
    "Would you change places with me?"; "We have been exchanging letters for a year"
  3. Cause to change places (synset 200121734)
    "interchange this screw for one of a smaller size"
  4. Reverse (a direction, attitude, or course of action) (synset 200121486)

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