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  1. trib·u·tar·y
    IPA[ˈtribyəˌterē]
  2. noun

    • 1. a river or stream flowing into a larger river or lake:

      the Illinois River, a tributary of the Mississippi
    • 2. a person or state that pays tribute to another state or ruler:

      tributaries of the Ottoman Empire
  3. Variation

    • n.: noun: tributary, plural noun: tributaries

    • noun

      a river or stream flowing into a larger river or lake:

      a person or state that pays tribute to another state or ruler:

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