Source : Webster's Revised Unabridged Dictionary (1913)

Bony \Bon"y\, a.
   1. Consisting of bone, or of bones; full of bones; pertaining
      to bones.

   2. Having large or prominent bones.

   {Bony fish} (Zo["o]l.), the menhaden.

   {Bony pike} (Zo["o]l.), the gar pike ({Lepidosteus}).

Source : WordNet®

bony fish
     n : any fish of the class Osteichthyes