contributary

from The Collaborative International Dictionary of English v.0.48
Contributary \Con*trib"u*ta*ry\, a.
   1. Contributory. [R.]
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   2. Tributary; contributing. [R.]
      [1913 Webster]

            It was situated on the Ganges, at the place where
            this river received a contributary stream.
                                                  --D'Anville
                                                  (Trans. ).
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