interchange - definition and synonyms

noun 

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/ˈɪntə(r)ˌtʃeɪndʒ/
singularinterchange
pluralinterchanges
  1. 1
    [countable] a place where you can change from a motorway to a main road using a system of smaller roads, bridges etc
  2. 2
    [countable] a place where you change from one railway line to another
  3. 3
    [countable/uncountable] an exchange of things such as ideas or information
    interchange of:

    the constant interchange of religious and cultural ideas