divider - definition and synonyms

noun [countable] 

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/dɪˈvaɪdə(r)/
singulardivider
pluraldividers
  1. 1
    something used to mark the place where one thing ends and another begins

    a room divider

  2. 2
    something that creates a difference between people, so that they are not equal

    In this country, wealth is still the great divider.