Source : Webster's Revised Unabridged Dictionary (1913)

Tautog \Tau*tog"\, n. [The pl. of taut, the American Indian
   name, translated by Roger Williams sheep's heads, and written
   by him tauta['u]og.] (Zo["o]l.)
   An edible labroid fish ({Haitula onitis}, or {Tautoga
   onitis}) of the Atlantic coast of the United States. When
   adult it is nearly black, more or less irregularly barred,
   with greenish gray. Called also {blackfish}, {oyster fish},
   {salt-water chub}, and {moll}. [Written also {tautaug}.]

Source : WordNet®

tautog
     n : large dark-colored food fish of the Atlantic coast of North
         America [syn: {blackfish}, {Tautoga onitis}]