water viper

from The Collaborative International Dictionary of English v.0.48
Water moccasin \Wa"ter moc"ca*sin\ (Zool.)
   A venomous North American snake ({Ancistrodon piscivorus})
   allied to the rattlesnake but destitute of a rattle. It lives
   in or about pools and ponds, and feeds largely of fishes.
   Called also {water snake}, {water adder}, {water viper}.
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Water viper \Wa"ter vi"per\ (Zool.)
   See {Water moccasin}.
   [1913 Webster]
    

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