Source : Webster's Revised Unabridged Dictionary (1913)

Batfish \Bat"fish`\, n. (Zo["o]l.)
   A name given to several species of fishes:
   (a) The Malthe vespertilio of the Atlantic coast.
   (b) The flying gurnard of the Atlantic ({Cephalacanthus
       spinarella}).
   (c) The California batfish or sting ray ({Myliobatis
       Californicus}.)

Source : WordNet®

batfish
     n : bottom-dweller of warm western Atlantic coastal waters
         having a flattened scaleless body that crawls about on
         fleshy pectoral and pelvic fins
     [also: {batfishes} (pl)]