water dog

from WordNet (r) 3.0 (2006)

water dog
    n 1: a person who enjoys being in or on the water [syn: {water
         dog}, {water rat}]
    2: a dog accustomed to water and usually trained to retrieve
       waterfowl

from The Collaborative International Dictionary of English v.0.48

Water dog \Wa"ter dog`\
   1. (Zool.) A dog accustomed to the water, or trained to
      retrieve waterfowl. Retrievers, waters spaniels, and
      Newfoundland dogs are so trained.
      [1913 Webster]

   2. (Zool.) The menobranchus.
      [1913 Webster]

   3. A small floating cloud, supposed to indicate rain.
      [1913 Webster]

   4. A sailor, esp. an old sailor; an old salt. [Colloq.]
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Hellbender \Hell"bend`er\, n. (Zool.)
   A large North American aquatic salamander ({Protonopsis
   horrida} or {Menopoma Alleghaniensis}). It is very voracious
   and very tenacious of life. Also called {alligator}, and
   {water dog}.
   [1913 Webster]

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