What does the word interchange mean?

Usage examples for interchange

  1. I had no trouble in introducing the conversation on the subject concerning which Napoleon had directed me to speak to Josephine, for; after the interchange of a few indifferent remarks, she herself told me of a violent scene, which had occurred between her and the Emperor two days before. – The Project Gutenberg Memoirs of Napoleon Bonaparte by Bourrienne, Constant, and Stewarton
  2. What the little interchange of glances last night? – Floyd Grandon's Honor by Amanda Minnie Douglas
  3. An attempt was made to give her knowledge of arbitrary signs by which she could interchange thoughts with others. – Studies in the Out-Lying Fields of Psychic Science by Hudson Tuttle
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