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1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Tench \Tench\, n. [OF. tenche, F. tanche, L. tinca.] (Zool.)
      A European fresh-water fish (Tinca tinca, or Tinca
    vulgaris) allied to the carp. It is noted for its tenacity
      of life.
      [1913 Webster]